For Karnataka, Mithun finished the day with exceptional figures of three for 26 in his eight overs.
For Chhattisgarh, pacer Pankaj Rao was the star bowler as he picked up all the four wickets that fell on the first day.
Kulkarni, who missed the last three games due to swelling in his ankle, had undergone rehabilitation at the National Cricket Academy in Bengaluru and was declared fit.
Facing a big deficit, Maharashtra lost two early wickets but regrouped through Jadhav's 103*.
Khare and Mandal put on 169 for the fifth wicket after Chhattisgarh slipped to 43/4.
Fazal brought up his 35th first-class half century to remain unbeaten on 53 while Akshay Wadkar was two runs short of his fourth fifty
Thakare, playing in just his fifth match, improved on his previous match bowling figures of 2/74.
With the three points, Hyderabad have jumped from their bottom place to eighth spot with four points in three matches.
For Railways, Thakur and Chaudhary returned with four wickets each.
For Gujarat, Nagwaswalla was the pick of the bowlers with four for 66 in his 21 overs.