The incident took place in the final over before the tea break on Day 1 with Ajinkya Rahane batting on 18.
Skipper Manoj Tiwary's 100 was among the highlights for rampant Bengal who reduced Assam to 99/8 on the second day after piling up 405 in their Ranji Trophy Group A contest in Guwahati on Saturday.
Ravichandran Ashwin feels the all-rounder "is still a young player who is getting better".
Assam skipper Riyan Parag smashed a whopping total of 12 sixes and scored the second-highest century in the history of Ranji Trophy
Bright dreams of a new journey, desperation to stage a comeback and desire to rediscover old glory will be the dominant themes of this season's Ranji Trophy
Riyan Parag is the leading run-scorer in the Syed Mushtaq Ali T20 tournament (SMAT) with 490 runs in eight matches, averaging over 122.
Prithvi Shaw butchered a hapless Assam attack to submission with a breathtaking unbeaten 240 as Mumbai ended the opening day of Group B Ranji match at a comfortable 397 for two on Tuesday
Jaydev Unadkat picked up five for 45 to help Saurashtra thrash Assam by ten wickets in the Ranji Trophy semi-finals.
Jaydev Unadkat picked up three wickets before fifties from Arun Karthik and Amit Verma helped Assam to 193/7 on the first day of the Ranji Trophy semi-final against Saurashtra.
Bengal and Assam gained three points and one point respectively after their drawn match to be placed at the second and third place in Group A
The 31-year-old Ashoke Dinda, who completed personal milestone of 300 first-class wickets, finished the day with astonishing figures of 2-2-0-4 against Assam.
Assam cricket team continued its Ranji Trophy giant-killing run by defeating Delhi in Guwahati by five wickets. The win pushes Assam to second spot in Group A, just two points behind Gautam Gambhir-led Delhi.
After drawing with defending champions Karnataka, Assam beat former back-to-back winners Rajasthan by an innings, and then toppled Haryana at home in Lahli and are now on the cusp of beating Delhi.
After dismissing Delhi for 149, Assam scored 157 in the first innings. Delhi are on 101/4 in the second innings
KB Arun Karthik's century helped Assam draw against defending Ranji champions Karnataka in Guwahati.
Karnataka rode Robin Uthappa's 153 to post a huge 452 in their first innings before reducing Assam to 58 for three on the second day.
Off-spinner Swarupam Purkayastha took a five-wicket haul as Assam posted a five-wicket win over Services.
Arup Das wreaked havoc on the Services' batsmen as he returned with a four-wicket haul. Krishna Das picked up three wickets.