Goa's Asnodkar smashed 104 from 54 balls with five sixes and 10 fours to set the foundation for his team's mammoth score of 268 for 3 against State Bank of Patiala.
Jharkhand's Saurabh Tiwari was the other big scorer, hitting 89 runs from 36 balls, also with the help of five sixes and 10 fours.
Mumbai left-arm spinner Iqbal Abdulla then dashed the bankmen's aspirations by picking up four important wickets as they were bowled out for 76 runs.
In another league match, Air India defeated Indian Oil by 38 runs. Batting first, Air India scored 162 for 5 in 20 overs with Naman Ojha top scoring with 57.
In reply, Indian Oil collapsed for 124, Omkar Khanvilkar picking up four wickets.
Brief Scores: D Y Patil A 268/3 in 20 overs (Swapnil Asnodkar 104, Saurabh Tiwari 89) beat State Bank of Patiala 76 all out (Iqbal Abdulla 4 for 12)
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Air India 162/5 in 20 overs (Naman Ojha 57, Manvinder Bisla 30; Murtuza Hussain 3-20 beat Indian Oil 124 all out.
Central Railway 135/8 in 20 Overs (Salil Agarkar 42, Musavir Khote 40; Pradip Sachan 2-10) lost to Western Railway 138/4 in 14.2 Overs (Asad Pathan 30, Ahishek Kaushik 37, Ahad Malik 56 not out).
Tata Sports Club 139/7 in 20 Overs Sujit Nayak 26; Saurabh Netravalkar 3-19) beat BPCL 124 all out in 19.4 Overs (Onkar Khanvlkar 23; Usman Malvi 2-23, Wilkin Mota 3-23).