Taking strong exception to a few umpiring howlers in the ongoing IPL, the league’s chairman, Rajiv Shukla, is learnt to have told match referees to speak to the umpires, about staying more vigilant during the matches.

“These things do happen sometimes, but still, the IPL chairman has spoken to match referees and asked them to speak to the umpires,” a source, close to Shukla said, on the sidelines of the match between Kings XI Punjab (KXIP) and Delhi Daredevils (DD), here, on Monday night.

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The match between Rajasthan Royals (RR) and Sunrisers Hyderabad (SRH) saw a seven-ball over, two weeks ago. There was a clear no-ball bowled during the game between Sunrisers Hyderabad and Chennai Super Kings (CSK), on Sunday, but it escaped the umpire’s attention.

To minimise errors, the umpires have, apparently, been advised to take the help of technology, if needed. Another official, involved with the Indian Premier League, said that nobody is “infallible”.