1st option is correct.

South India broke away from the sultanate leading to the foundation of the Vijayanagar and the Bahamani kingdoms during the reign of Muhammad bin Tughluq.

Muhammad bin Tughluq was the Sultan of Delhi of Turkic descent through 1324 to 1351. He was the eldest son of Ghiyas-ud-din Tughlaq of the Tughluq dynasty. He was born in Kotla Tolay Khan in Multan. His wife was the daughter of the Raja of Dipalpur.