I remember watching this sport during the news with same curiosity I used to follow WWF. Jabbar's Boli Khela is the Bangla term. A merchant from Ctg. started it as a youth improvement program and this year it proudly crossed past a century.
Winners are Mormo Singh and Didar.
Source:
http://www.ittefaq.com/content/2009/04/26/news0780.htm