Delhi 119 (Pankaj 5-43) and 387 (Kohli 106, Manhas 100, Bhatia 83, Pankaj 5-110) beat Rajasthan 85 and 249 (Khoda 71, Bist 69) by 172 runs
Delhi duly completed victory over Rajasthan on the fourth day at the Feroz Shah Kotla, taking the last three wickets in 21.1 overs. Mithun Manhas, the captain, brought himself on and quickly took two wickets and Amit Bhandari dismissed overnight batsman Robin Bist for 69 to signal the end.
Medium-pace bowler Shailender Gehlot delayed the inevitable with 47 from 85 but with over two sessions left it was just a matter of time for Delhi to complete victory.
The hosts took five points from an outright win to move to the top of Group A.
Bengal 461 (Tiwary 203, Saha 111*) drew with Hyderabad 227 (Shinde 90, Lahiri 4-65) and 302 for 6 (Sai 119*, Yadav 53, Lodhgar 5-68)
Anoop Pai's unbeaten 119, his maiden first-class hundred in just third third appearance for Hyderabad, ensured a draw against Bengal at Eden Gardens. Hyderabad recovered from an overnight 86 for 3 to finish 302 for 6, with Pai and Arjun Yadav (53) getting among the runs. Left-arm spinner Murtaza Lodhgar added two wickets on the fourth day to finish with 5 for 68. Bengal took three points to Hyderabad's one.