Why was Algu upset over Jumman’s nomination as head Panch? (12, 13)

Aglu was upset over Jumman’s nomination as head Panch because he had expected Jumman to take revenge. When Aglu was the nominated as head Panch in Jumman’s case he had done his duty and delivered a fair verdict which had upset Jumman. Now that Jumman had the power to decide against Aglu, Aglu was hopeless.