Bengal qualified for the Ranji Trophy semi-finals for the first time after 2006-07.
Bengal qualified for the semi-finals of the Ranji Trophy 2013-14 by beating Railways.
About a 100-odd Bengal fans, shouted slogans of "Go Back Kartik".
Chasing a target of 271, Railways were 117 for three at stumps.
Bengal were bowled out for 267 in their second innings against Railways in the Ranji Trophy.
Dinda restricted Railways to 314 and allowed Bengal to take a slender lead of three runs.
Railways had dented Bengal before Shukla and Saha steadied the ship.
Laxmi Ratan Shukla refused to comment on the allegations of "ball tampering" against the rival team.
Match referee said he has received a report from umpires, who changed the ball.
With little security and no arrangement from the CAB, many even went inside the stadium.