Bengal gained two points by virtue of their first innings lead over Karnataka in the Ranji Trophy Elite Group 'A' encounter which ended in a draw in Mysore on Tuesday.
Bengal now has nine points from four matches, while Karnataka has three.
The hosts was dismissed for 292 in the first innings in reply to Bengal's 335.
Resuming at their overnight score of 75 without loss, the visitors ended the final day at 286 for seven.
The highlight of Bengal's second innings was a fine batting display by Manoj Tewari (80) and Laxmi Ratan Shukla (78) who put on 129 runs for the sixth wicket.
Earlier, openers Subhomoy Das (43) and Arindam (36) shared an 80-run stand to give their side a good start.
For Karnataka, Vinay Kumar (3/42) and Sunil Joshi (3/67) shared the spoils.
Begal 1st innings: 335
Scorecard
Bengal (1st innings): 335 all out
Karnataka (1st innings): 292 all out
Bengal (1st innings): (overnight 75 without loss)
Arindam Das run out 36
Subhomoy Das c V S Thilak Naidu b Vinay Kumar 43
Debang Gandhi b Sunil Joshi 0
Rohan Gavaskar c V S Thilak Naidu b Sunil Joshi 11
Manoj Tewari c Sujith Somasunder b Vinay Kumar 80
Deep Dasgupta c Dodda Ganesh b Sunil Joshi 18
Laxmi Ratan Shukla b Vinay Kumar 78
Sourashish Lahiri not out 1
Shiv Sagar Singh not out 3
Extras: (b-6, lb-4, nb-4, w-2) 16
Total: (for seven wickets in 105 overs) 286
Fall of wickets: 1-80, 2-81, 3-81, 4-98, 5-153, 6-282, 7-283.
Bowling: Vinay Kumar 15-4-42-3, Sunil Joshi 42-15-67-3, D Ganesh 10-2-40-0, Udit Patel 25-2-98-0, B Akhil 6-2-14-0, S Shinde 1-0-4-0, R Barrington 6-2-11-0.