Umesh is hurt for not delivering this season after having been the highest wicket-taker for RCB last edition.
After restricting Delhi to 151 in 18 overs, the pace duo of Umesh and Navdeep Saini leaked 36 runs in last two overs helping Delhi set an above-par target of 187.
As soon as the match ended, social media exploded with harsh criticism directed towards the pacer, which also included a wave of memes ridiculing him.
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The defending champions claimed an innings victory over Kerala in the semi-final thanks to Umesh's figures of 12/79.
The Kerala fast bowlers were not as menacing, the bat was dominating ball, until a late rush of wickets brought Kerala back. From 170 for two, the visitors closed the day at 172 for five.
The attack comprising Jasprit Bumrah, Mohammad Shami, Umesh Yadav, Bhuvneshwar Kumar and Ishant Sharma has been hailed as India's best ever.
But the exclusion of Bhuvneshwar Kumar to accommodate Umesh Yadav in the said quartet was more a la Centurion.
Punjab seamer Siddarth Kaul was included in the squad for the final T20I to be held at the MA Chidambaram Stadium here on Sunday.
Yadav will be high on confidence as he has become just third fast bowler to bag 10 wickets in a Test on Indian soil after Javagal Srinath and Kapil Dev.
With his latest performance, Umesh Yadav has ensured he can’t be simply confined to the bench overseas.
Umesh has got the pace, bounce and the fitness levels to run in all day, making him a great headache to have, the captain said.
West Indies were back to their worst despite showing signs of fight in the first innings as they couldn't last two full sessions and were bowled out for 127 in only 46.1 in their second innings.
Sunil Ambris top-scored for the hosts with his 38-run knock while pacer Umesh Yadav (4/45) and spin all-rounder Ravindra Jadeja (3/12) shared seven wickets between them for the hosts.
At the break, Shaw was batting on 52 off 42 balls with eight fours and a six, and had Cheteshwar Pujara for company.