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Tarmashirin
Tarmashirin Khan (ruled 1331 AD - 1334 AD) was the khan of the Chagatai Khanate following Duwa Timur.
Biography.
Tarmashirin is famous for his campaign in the Indian Subcontinent in 1327 before he was enthroned.He unsuccessfully invaded the Ilkhanate. 
He was one of the notable rulers of the Chagatai Khanate to convert to Islam. He took the name Ala-ad-din after becoming a Muslim. His conversion to Islam did not go down well with his Mongol nobles, who were overwhelmingly Tengriist and
replaced by the Tughlaq dynasty in the Sultanate. In 1327 the Chagatai Mongols under Tarmashirin, who had sent envoys to Delhi to negotiate peace the previous year, sacked the frontier towns of Lamghan and Multan and besieged Delhi. The Tughlaq ruler paid a large ransom to spare his Sultanate from further ravages. Muhammad bin Tughluq asked the Ilkhan Abu Sa'id to form an alliance against Tarmashirin, who had invaded Khorasan, but an attack didn't materialize. Tarmashirin was a Buddhist who later converted to Islam. Religious tensions in the Chagatai Khanate