Complex sentence: After the death of Udai Singh, the elder son Pratap was not offered the royal seat of the kingdom of Mewar, in the meantime all the noble heads came to know about Jagamal being made the heir.
Split into simpler sentences: After the death of Udai Singh, the elder son Pratap was not offered the royal seat of the kingdom of Mewar. In the meantime all the noble heads came to know about Jagamal being made the heir.