Click here for back

:: Free E-books Links ::

[ 10 Minutes Guide e-Books and Tutorials | Active X Tutorials and e-Books | CGI Tutorials | Client server, Compiler Tutorials/e-Books | Various Tutorials and e-Books | HTML Tutorials/e-Books | JAVA and Java Script Tutorials and e-Books | LINUX and UNIX Tutorials and e-Books | Microsoft Tutorials/e-books | PERL Tutorials/e-Books | Various Teach yourself Tutorials/e-Books | THINKING IN C++ and JAVA Tutorials/e-Books | UNIX Tutorials/e-Books | Visual Basic Tutorials/e-Books | Visual C++ Tutorials/e-Books | Web Programming Tutorials/e-Books | Windows NT Tutorials/e-Books ]

 

Here you will find the list of links of very good free e-books / free tutorials / free Lectures available online. They will definitely benefit you. These will teach you how to learn programming languages and various computer tools. These are very good sources which are sent to me by one of my friends. Every book either Perl, windows, Java, Lotus, C, C++, Visual Basic (VB), VC++ etc. you can download from here.

Because of HTML tags and Links given, the size of this page increases to 300 KB. That is not supported by my site. And my site gets exhausted. So here you will find the addresses of websites from where you can download free e-books and free tutorials BUT not find activated links.
 

Use Ctrl + F (Search) to search the relevant content you want. And just Copy and Paste in your Browser.

If you want to see the page with Activated links Click here.

 
10 Minutes Guide e-Books and Tutorials:

[TOP]

ð

10 minute guide to lotus notes mail 4.5

http://www.parsian.net/set1252/pages/books.htm

ð

10 minute guide to Microsoft exchange 5.0

http://www.parsian.net/set1252/pages/books.htm

ð

10 minute guide to outlook 97

http://www.parsian.net/set1252/pages/books.htm

ð

10 minute guide to schedule+ for windows 95

http://www.parsian.net/set1252/pages/books.htm

Active X Tutorials and e-Books:

[TOP]

ð

ActiveX programming unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

ActiveX programming unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Advanced perl programming

http://www.hk8.org/old_web/

ð

Advanced PL/SQL programming with packages

http://www.hk8.org/old_web/

ð

Adventure in Prolog/AMZI

http://www.oopweb.com

ð

Algorithms CMSC251/Mount, David

http://www.oopweb.com

ð

Alison Balter's Mastering Access 95 development, premier ed.

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Apache : The definitive guide, 3rd.ed.

http://www.hk8.org/old_web/

ð

Beej's guide to network programming/Hall, Brain

www.oopweb.com

ð

Beyond Linux from Scratch/BLFS Development Team

http://book.onairweb.net/computer/os/linux/Administration/Beyond_Linux_From_Scratch/

ð

Borland C++ builder unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

Building an intranet with windows NT 4

http://www.parsian.net/set1252/pages/books.htm

ð

Building an Intranet with Windows NT 4

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Building expert systems in prolog/AMZI

http://www.oopweb.com

ð

C programming language

http://book.onairweb.net/computer/pl/C/The_C_Programming_Language_by_K&R/

ð

C Programming/Holmes, Steven

http://www.oopweb.com

ð

C++ Annotations

http://www.oopweb.com

CGI Tutorials:

[TOP]

ð

CGI developer's guide

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

CGI manual of style

http://www.parsian.net/set1252/pages/books.htm

ð

CGI manual of style online

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

CGI programming

http://www.hk8.org/old_web/

ð

CGI programming unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

CGI programming with Perl, 2nd.ed.

http://www.hk8.org/old_web/

Client server, Compiler Tutorials / e-Books:  

[TOP]

ð

Charlie Calvert's Borland C++ builder unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Client/server computing, 2nd.ed.

http://www.parsian.net/set1252/pages/books.htm

ð

Client-server computing, 2nd.ed.

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Common LISP, the language/Steele, Guy

www.oopweb.com

ð

Compilers and compiler generators : an introduction with C++/Terry, P.D.

www.oopweb.com

ð

Complete idiot's guide to creating HTML webpage

http://www.parsian.net/set1252/pages/books.htm

ð

Computer graphics CMSC 427/Mount, David

www.oopweb.com

ð

Configuring and troubleshooting the windows NT/95 registry

http://www.parsian.net/set1252/pages/books.htm

ð

Creating commercial websites

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Creating web applets with Java

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Crystal Reports.NET

http://www.crystalreportsbook.com/Chapters.asp

ð

Curious about the Internet

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Curious about the internet?

http://www.parsian.net/set1252/pages/books.htm

ð

Dan appleman's developing activeX components with Visual Basic 5

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Dan appleman's developing activex components with Visual Basic 5.0

http://www.parsian.net/set1252/pages/books.htm

ð

Data structures CMSC420/Mount, David

www.oopweb.com

Various Tutorials and e-Books:

[TOP]

ð

Database developer's guide with visual basic 4, 2nd.ed.

http://www.parsian.net/set1252/pages/books.htm

ð

Database developer's guide with Visual Basic 4, 2nd.ed.

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Database developer's guide with Visual C++ 4, 2nd.ed.

http://www.parsian.net/set1252/pages/books.htm

ð

Database developer's guide with Visual C++ 4, 2nd.ed.

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Design and analysis of computer algorithms CMSC451/Mount, David

www.oopweb.com

ð

Designing implementing Microsoft internet information server

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Designing implementing Microsoft proxy server

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Developing for netscape one

http://www.parsian.net/set1252/pages/books.htm

ð

Developing intranet applications with java

http://www.parsian.net/set1252/pages/books.htm

ð

Developing personal oracle 7 for windows 95 applications

http://www.parsian.net/set1252/pages/books.htm

ð

Developing personal Oracle 7 for windows 95 applications

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Developing professional java applets

http://www.parsian.net/set1252/pages/books.htm

ð

Developing professional java applets

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

DNS and BIND

http://www.hk8.org/old_web/

ð

Doing objects with VB.NET and C#

http://vbwire.com/nl?6814

ð

EAI/BPM Evaluation Series: IBM WebSphere MQ Workflow v3.3.2 & EAI Suite by

http://www.cmis.csiro.au/mte/reports/BPM_IBMwebsphereMQ332.htm

ð

Middleware Technology Evaluation Series, Phong Tran & Jeffrey Gosper  Effective AWK programming

http://book.onairweb.net/computer/os/shell/Effective_AWK_Programming/

ð

Enterprise JavaBeans, 2nd.ed.

http://www.hk8.org/old_web/

ð

Exploring java

http://www.hk8.org/old_web/

ð

GNOME/Sheets, John

www.oopweb.com

ð

Graph theory/Prof. Even

www.oopweb.com

ð

Hacking java

http://www.parsian.net/set1252/pages/books.htm

ð

How intranets work

http://www.parsian.net/set1252/pages/books.htm

ð

How intranets work

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

How to program visual basic 5.0

http://www.parsian.net/set1252/pages/books.htm

HTML Tutorials / e-Books:

[TOP]

ð

How to use HTML 3.2

http://www.parsian.net/set1252/pages/books.htm

ð

Html : The definitive guide

http://www.hk8.org/old_web/

ð

HTML 3.2 & CGI unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

HTML 3.2 and CGI professional reference edition unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

HTML by example

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Internet firewall

http://www.hk8.org/old_web/

ð

Intranets unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

Introduction to object-oriented programming using C++/Muller, Peter

www.oopweb.com

ð

Introduction to programming using Java/Eck, David

www.oopweb.com

ð

Introduction to socket programming

http://book.onairweb.net/computer/network/An_Introduction_to_Socket_Programming/

JAVA and Java Script Tutorials and e-Books:

[TOP]

ð

Java 1.1 unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java 1.1 unleashed, 2nd.ed.

http://www.parsian.net/set1252/pages/books.htm

ð

Java 1.1 unleashed, 3rd.ed.

http://www.parsian.net/set1252/pages/books.htm

ð

Java 114 documentation

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java AWT reference

http://www.hk8.org/old_web/

ð

Java by example

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java developer's guide

http://www.parsian.net/set1252/pages/books.htm

ð

Java developer's guide

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java developer's reference

http://www.parsian.net/set1252/pages/books.htm

ð

Java developer's reference

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java Distributed computing

http://www.hk8.org/old_web/

ð

Java enterprise

http://www.hk8.org/old_web/

ð

Java enterprise in a nutshell

http://www.hk8.org/old_web/

ð

Java foundation classes in a nutshell

http://www.hk8.org/old_web/

ð

Java fundamental classes reference

http://www.hk8.org/old_web/

ð

Java in a nutshell

http://www.hk8.org/old_web/

ð

Java in a nutshell, 3rd.ed.

http://www.hk8.org/old_web/

ð

Java language reference

http://www.hk8.org/old_web/

ð

Java security

http://www.hk8.org/old_web/

ð

Java servlet programming

http://www.hk8.org/old_web/

ð

Java unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

Java unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Java, 2nd.ed.

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

_JavaScript : the definitive guide

http://www.hk8.org/old_web/

ð

_Javascript manual of style

http://www.parsian.net/set1252/pages/books.htm

ð

_Javascript manual of style

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Josh's GNU Linux Guide/Joshua

http://book.onairweb.net/computer/os/linux/Administration/Josh's_GNU_Linux_Guide/

ð

Late night activex

http://www.parsian.net/set1252/pages/books.htm

ð

Late night activeX

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

LINUX and UNIX Tutorials and e-Books:

[TOP]

ð

Laura lemay's 3D graphics in and VRML 2

http://www.parsian.net/set1252/pages/books.htm

ð

Laura lemay's activex and _VBScript

http://www.parsian.net/set1252/pages/books.htm

ð

Laura lemay's graphics and web page design

http://www.parsian.net/set1252/pages/books.htm

ð

Laura lemay's guide to sizzling websites design

http://www.parsian.net/set1252/pages/books.htm

ð

Laura lemay's _javascript 1.1

http://www.parsian.net/set1252/pages/books.htm

ð

Laura lemay's web workshop activex and _VBScript

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Laura lemay's web workshop Graphics web page design

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Laura lemay's web workshop _javascript

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Learning perl

http://www.hk8.org/old_web/

ð

Learning perl on win32

http://www.hk8.org/old_web/

ð

Learning the kornshell

http://www.hk8.org/old_web/

ð

Learning unix

http://www.hk8.org/old_web/

ð

Learning vi

http://www.hk8.org/old_web/

ð

Linux from Scratch/Beekmans, Gerard

http://book.onairweb.net/computer/os/linux/Administration/Linux_From_Scratch/

ð

Linux in a nutshell, 3rd.ed.

http://www.hk8.org/old_web/

ð

Linux kernel/Rusling, David

www.oopweb.com

ð

Linux network administrator's guide/Dawson, Terry

www.oopweb.com

ð

Linux system administrator's survival guide

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

MAPI, SAPI and TAPI developer's guide

http://www.parsian.net/set1252/pages/books.htm

ð

Mastering access 95 development

http://www.parsian.net/set1252/pages/books.htm 

Microsoft Tutorials / e-books:

[TOP]

ð

Microsoft access 97 quick reference

http://www.parsian.net/set1252/pages/books.htm

ð

Microsoft access 97 quick reference

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Microsoft back office 2 unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

Microsoft excel 97 quick reference

http://www.parsian.net/set1252/pages/books.htm

ð

Microsoft excel 97 quick reference

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Microsoft exchange server survival guide

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Microsoft FrontPage unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Microsoft word 97 quick reference

http://www.parsian.net/set1252/pages/books.htm

ð

Microsoft word 97 quick reference

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Microsoft works 4.5 6-In-1

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

More than 100 full-text e-books

http://www.allfreetech.com/EBookCategory.asp

ð

Ms back office administrator's survival guide

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Ms back office unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Mysql and msql

http://www.hk8.org/old_web/

ð

Netscape plug-ins developer's kit

http://www.parsian.net/set1252/pages/books.htm

ð

Official gamelan java directory

http://www.parsian.net/set1252/pages/books.htm

ð

Oracle built-in packages

http://www.hk8.org/old_web/

ð

Oracle PL/SQL built-in pocket reference

http://www.hk8.org/old_web/

ð

Oracle PL/SQL language pocket reference

http://www.hk8.org/old_web/

ð

Oracle PL/SQL programming guide to Oracle 8 features

http://www.hk8.org/old_web/

ð

Oracle PL/SQL programming, 2nd.ed.

http://www.hk8.org/old_web/

ð

Oracle unleashed

http://www.parsian.net/set1252/pages/books.htm

ð

Oracle unleashed

http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

Oracle web applications PL/SQL developer's introduction

http://www.hk8.org/old_web/

ð

Patterns of enterprise application architecture/Fowler, Martin

http://www.awprofessional.com/catalog/product.asp?product_id={574D77DF-6ED2-BC5-A6A8-02E59CA7482D}

ð

PC week : the intranet advantage

http://www.parsian.net/set1252/pages/books.htm
PERL Tutorials / e-Books:

[TOP]

ð

 
Perl 5 by example
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Perl 5 quick reference
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Perl 5 unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Perl 5.0 CGI web pages
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Perl cookbook
 
http://www.hk8.org/old_web/

ð

 
Perl for system administration
 
http://www.hk8.org/old_web/

ð

 
Perl in a nutshell
 
http://www.hk8.org/old_web/

ð

 
Perl quick reference
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Peter norton's complete guide to windows NT 4 workstations
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Presenting activex
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Presenting activex
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Presenting javabeans
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Presenting javabeans
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Programming perl
 
http://www.hk8.org/old_web/

ð

 
Programming perl, 3rd.ed.
 
http://www.hk8.org/old_web/

ð

 
Programming the Perl DBI
 
http://www.hk8.org/old_web/

ð

 
Red hat linux unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Running a perfect intranet
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Running Linux, 3rd.ed.
 
http://www.hk8.org/old_web/

THINKING IN C++ and JAVA Tutorials / e-Books:

[TOP]

ð

 
Thinking in C++
 
http://www.mindview.net/Books

ð

 
Thinking in C++/Eckel, Bruce - Vol. I, 2nd.ed.
 
www.oopweb.com

ð

 
Thinking in C++/Eckel, Bruce - Vol. II, 2nd.ed.
 
www.oopweb.com

ð

 
Thinking in Enterprise Java
 
http://www.mindview.net/Books

ð

 
Thinking in Java, 2nd.ed.
 
www.oopweb.com

ð

 
Thinking in Java, 3rd.ed. (pdf)
 
http://www.mindview.net/Books

ð

 
Tricks of the internet gurus
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Tricks of the java programming gurus
 
http://www.parsian.net/set1252/pages/books.htm
UNIX Tutorials / e-Books:

[TOP]

ð

 
Unix and internet security
 
http://www.hk8.org/old_web/

ð

 
Unix hints and hacks/Waingrow, Kirk
 
http://book.onairweb.net/computer/os/unix/Administration/UNIX_Hints_&_Hacks/19270001.htm

ð

 
Unix in a nutshell
 
http://www.hk8.org/old_web/

ð

 
Unix kornshell quick reference
 
http://book.onairweb.net/computer/os/shell/Unix_KornShell_Quick_Reference/kornShell.html

ð

 
Unix power tools
 
http://www.hk8.org/old_web/

ð

 
Unix shell guide
 
http://book.onairweb.net/computer/os/shell/The_UNIX_Shell_Guide/

ð

 
Unix unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Unix unleashed
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Unix unleashed Internet Ed./Burk, Robin
 
http://book.onairweb.net/computer/os/unix/Administration/UNIX_Unleashed(Internet_Edition)/fm.htm

ð

 
Unix unleashed, System administrator's Edition
 
http://book.onairweb.net/computer/os/unix/Administration/UNIX_Unleashed_System_Administrator's_Edition/toc.htm

ð

 
Unix Unleashed/Sams Publication
 
http://book.onairweb.net/computer/os/unix/Administration/UNIX_Unleashed/

ð

 
Upgrading PCs illustrated
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Using windows NT workstation 4.0
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
_VBScript unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
_Vbscript unleashed
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/
Visual Basic Tutorials / e-Books:

[TOP]

ð

 
Visual basic 4 in 12 easy lessons
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Visual basic 4 unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Visual Basic 5 night school
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Visual basic programming in 12 easy lessons
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Visual Basic programming in 12 easy lessons
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/
Visual C++ Tutorials / e-Books:

[TOP]

ð

 
Visual C++ 4 unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Visual C++ programming in 12 easy lessons
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web database developer's guide with visual basic 5
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web database developer's guide with visual basic 5
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/
Web Programming Tutorials / e-Books:

[TOP]

ð

 
Web programming desktop reference 6-in-1
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web programming unleashed
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web programming with J++
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Web programming with java
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Web programming with Perl 5
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web programming with Visual Basic
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web programming with visual basic
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Web publishing professional reference edition
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Web scripting secret weapons
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Web site construction kit for windows 95
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Webmaster expert solutions
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Webmaster expert solutions
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Webmaster in a nutshell
 
http://www.hk8.org/old_web/

ð

 
Website construction kit for windows 95
 
http://www.parsian.net/set1252/pages/books.htm
Windows NT Tutorials / e-Books:

[TOP]

ð

 
Windows NT 4 web development
 
http://www.parsian.net/set1252/pages/books.htm

ð

 
Windows NT 4 web development
 
http://www.emu.edu.tr/english/facilitiesservices/computercenter/bookslib/

ð

 
Windows NT server 4 unleashed
 
http://www.parsian.net/set1252/pages/books.htm
 
 
 
 
 

This page is updated on 26th March, 2003. Copyright © 2003. All rights reserved. Created by Shubhankar Dey.