Why did Tilak Varma argue with umpires before Vaibhav Sooryavanshi's fight with Sri Lankan player?

India A captain Tilak Varma argued with umpires during their match against Sri Lanka A on Monday. He engaged in animated discussion with officials, insisting on Super Over after Sri Lanka tied India’s total. Tilak then argued with umpires over a waist-height no-ball call during Super Over. After match ended, Vaibhav Sooryavanshi had heated exchange with a Sri Lankan player.