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Delhi scored 250/8 on the second day, taking their lead to 67 runs with Manan Sharma (82) and Vikas Tokas (28) were at the crease when umpires called off the day's play due to rain.
In Patiala, Karnataka scored 168/5, taking their lead to 9 runs against Saurashtra at the end of the third day at the Dhruve Pandove Stadium.
In Vizianagaram, Assam scored 269/5, taking their lead to 79 runs against Jharkhand on the third day of the Group B match.
In Nagpur, Bengal scored 433/8, swelling their lead to 303 runs against against Mumbai on the third day at the Vidarbha Cricket Association Ground.