About ME

Current Position

I am currently a Postdoctoral Fellow at the Department of Mathematics, IIT Bombay. My current work focuses on Spectral Graph Theory. Previously, I have worked as a researcher in Department of Mathematics , IIT Guwahti.

  • Current Position: Postdoctoral Fellow, IIT Bombay
  • Previous Position: Senior Research Scholar, IIT Guwahati
  • Birthplace: Gopiballavpur, West Bengal, India
  • Email: rakesh@rjana.in, jana.rakesh.math@gmail.com
  • Official Email: rjana@math.iitb.ac.in




Dr. Rakesh Jana

Currently I am working as Postdoctoral Fellow at the Department of Mathematics, IIT Bombay. The following is my postal address at IITB.

  • B-1, Department of Mathematics
  • IIT Bombay, Powai, 400076
  • rjana@math.iitb.ac.in


Doctor of Philosophy

Guide: Prof. Sukanta Pati

Spectral Graph Theory

I have completed my PhD under the supervision of Prof Sukanta Pati from IIT Guwahati.

Master of Science

2013 - 2015

Mathematics and Computing

Department of Mathematics, IIT Guwahati, Assam, India

Bachelor of Science

2010 - 2013

Mathematics (Honours)

Midnapore College, Vidyasagar University, West Bengal, India

Award & Achievment


  • 2017
    Best poster presentation awards for Poster entitled On Algebraic Connectivity of Graphs in Research Conclave’17 conducted by IITG.
  • 2015
    Qualify the national level entrance exam Graduate Aptitude Test in Engineering (GATE) and UGC-CSIR National Eligibility Test (NET) Exam in Mathematics.
  • 2013
    Qualify the national level entrance exam Joint Admission Test(JAM) for M.Sc. in Mathematics.
  • 2010
    Acknowledgement certificate fromMinistry of Human Research and Development, Indian government for Higher Secondary performance.
  • 2008-2014
    Received Merit–Cum–Means Scholarship in each year based on the previous year academic performence.

Academic Experience

Postdoctoral Fellow

2022 - Present

Department of Mathematics, IIT Bombay

  • Supervisor: Prof. Sivaramakrishnan Sivasubramanian
  • Working on different types of distance matrices of tree.

Teaching Assistant

2022 - Present

Department of Mathematics, IIT Bombay

  • Sept - Oct 2022 (MA109)
  • Nov - Dec 2022 (MA111)
2016 - 2019

Department of Mathematics, IIT Guwahati

  • July - Nov 2016 (MA101)
  • Dec 2016 (AFS-I)
  • July - Nov 2017 (MA101)
  • Jan - May 2018 (MA102)
  • Jun - Jul 2018 (MTTS 2018)
  • July - Nov 2018 (MA101)
  • Jan - May 2019 (MA102)
  • July - Nov 2019 (MA101)

Professional Experience

Webpage Developer

  • Dibang Hostel, IIT Guwahati
  • RSF Math, IIT Guwahati
  • Advaya, IIT Guwahati

RSF Math Council Secretary


Department of Mathematics, IIT Guwahati

DPPC Student Member


Departmental Postgraduate Programme Committee (DPPC), Department of Mathematics, IIT Guwahati.


I spend my free time by learning various programming languages.

LaTeX 90%
HTML 80%
CSS 20%
JavaScript 15%
C 80%
C++ 70%
PostgreSQL 60%
Python 50%
Matlab 50%


During my postgradution I have learnt following courses.

  • All
  • Analysis
  • Algebra
  • Applied Mathematics
  • Computer Science

Real Analysis

Numerical Analysis

Functional Analysis

Operator Theory


Algebraic Topology

Complex Analysis

Optimization Techniques

Differential Equations

Numerical Analysis

Numerics of Partial Differential Equations

Numerical Linear Algebra

Probability Theory

Mathematics of Financial Derivatives

Data Structures & Algorithms

Advanced Graph Theory

Theory of Computation

Computer Programming

Discrete Mathematics

Linear Algebra

Modern Algebra

Advanced Linear Algebra