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First Author:
 
Siddhartha Mitra
Department of Economics, Jadavpur University
mitsid@yahoo.com
 
Department of Economics, Jadavpur University
Kolkata, 700032, India
 
 
 

Second Author:

Nilangshu Acharya
Department of Mathematics, P.R. Thakur Govt. College
nilangshu.math@gmail.com
 
Thakurnagar, 743287, India
 
 
 

Third Author:

Samir Kumar Bhandari
Department of Math., Bajkul Milani Mahavidyalaya
skbhit@yahoo.co.in
 
Department of Math, B.M. Mahavidyalaya, P.O-, Kismat Bajkul,
Purba Medinipur, India