Fast bowlers Krishnamoorthy Vignesh and Aswin Crist helped Tamil Nadu compete against Mumbai in Lahli. Vignesh finished with 5 for 41 on debut, while Aswin Crist returned figures of 3 for 51 as they made sure Tamil Nadu - who had been all out for 87 - conceded a first-innings lead of only 89 runs.
Openers Washington Sundar and Abhinav Mukund then wiped out that deficit with a 107-run stand that shifted the momentum firmly in Tamil Nadu's favour. However, Dhawal Kulkarni broke the partnership to open a passage of play in which six wickets fell for the addition of just 46 runs. Left-arm spinner Vijay Gohil did most of the damage, taking 3 for 36. Tamil Nadu went to stumps with a lead of 64 and only four wickets in hand.
Harpreet Singh raced to an unbeaten double-century to help Madhya Pradesh post 465 from an overnight total of 292 for 7. Ishwar Pandey and Gaurav Yadav then reduced Uttar Pradesh to 131 for 5 as Madhya Pradesh established a dominant position by stumps on day two in Hyderabad.
Resuming on 112 not out in the morning, Harpreet hit 104 of the 173 runs Madhya Pradesh added on the second morning. He was well supported by Ankit Sharma, who scored 61 off 97 in an eighth-wicket stand that added 155 runs in 208 balls. Madhya Pradesh scored at nearly 5 runs an over in the 36 overs they faced in the day. Pandey then made the first breakthrough and Yadav made the next three, before the run-out of Piyush Chawla left Uttar Pradesh struggling at 96 for 5. Eklavya Dwivedi and Kuldeep Yadav saw them through to stumps without any further losses.
This was after Siddarth Kaul dismissed Railways' overnight batsman, Ashish Yadav (for 81) Shivakant Shukla (for 128), and then removed Anureet Singh to complete his five-wicket haul. All in all, Punjab took 5 for 74 in the day, restricitng Railways to 331.
In their reply, Punjab were rattled by Railways' pacers and were reduced to 44 for 4, before Uday Kaul (59*) and Gurkeerat (66*) combined to prevent Railways making further inroads.
Baroda built a big first-innings total, before Gujarat's openers survived through to stumps on another batsman's day in Jaipur.
Resuming on 285 for 2, overnight batsmen Aditya Waghmode and Deepak Hooda added 57 before their 175-run third-wicket partnership was broken. By that stage, Hooda had got 118; Waghmode was dismissed shortly after for 142. Contributions of 47 by Hardik Pandya and 66* by Swapnil Singh took Baroda to a total of 544 for 8 declared. Gujarat's openers, Samit Gohel and Priyank Kirit Panchal, closed out the day at 34 for 0.