FARIDABAD, Feb 16: A second wicket stand of 108 between Rajiv Kumar (106, 343m, 266b, 16x4) and opener Sunil Kumar (76, 234 m, 193 b, 10x4) helped Bihar take a 15-run lead against Haryana on the third day of their Group C Ranji Trophy Super League tie here today.Rajiv, who scored his third Ranji century, later added 75 for the fourth wicket with left-hander Tariq-ur-Rehman (38) which eventually helped Bihar reach 323 before being bowled out 26 minutes after tea.Pankaj Thakur bowled consistently to scalp five wickets for 109 runs to follow up his his 85 yesterday.SCOREBOARDHaryana (1st innings): 308Bihar (1st innings): Debjit Chakrabarty b Dhanraj Singh 16, Sunil Kumar c Yadav b Thakur 76, Rajiv Kumar st Yadav b Thakur 106, CM Jha c Yadav b Pradeep Jain 11, Tariq-ur-Rehman lbw Thakur 38, Syed Arfi lbw Pradeep Jain 13, Sumit Panda st Yadav b Pradeep Jain 28, Vanit Saxena lbw Thakur 0, Rakesh Kumar not out 13, Avinash Kumar c Parinder Sharma b Pradeep Jain 4, KVP Rao b Thakur4, Extras (lb 7, nb 7): 14. Total (all out in 125.5 overs): 323Fall of wickets: 1-46, 2-154, 3-174, 4-249, 5-266, 6-296, 7-297, 8-307, 9-315Bowling: Vineet Jain 19-2-63-0, Sakalkhar 16-4-46-0, Pradeep Jain 35-11-65-4, Dhanraj Singh 12-5-22-1, Thakur 39.5-12-109-5, Dalal 4-1-11-0Haryana (2nd innings: Jitender Singh batting 21, Parinder Sharma batting 24, Extras (nb 2): 2. Total (for no loss, in 15 overs): 47Bowling: Panda 5-1-21-0, Saxena 1-0-2-0, Rakesh Kumar 6-2-10-0, Avinash Kumar 2-0-14-0, Rao 1-1-0-0