Associate Professor,

Department of Mathematics,
Deen Dayal Upadhyaya College (University of Delhi),
Shivaji Marg, Karampura, New Delhi - 110015,
India

Ph.(Off.)            : (011)-254-58173
                          : (011)-251-73401
Fax(Off.)           : (011)-251-73400

J-083, Windsor Park,
Vaibhav Khand-V
Indira Puram, Ghaziabad
U.P.-201010,
India.

Phone               : (0120)-41-66208
Mobile              : 0-99101-00961

Psnl. Email       : ratnesh65@gmail.com

Official  Email  : rsaxena@ddu.du.ac.in

Web Pages       : http://people.du.ac.in/~rsaxena