New Delhi: The Supreme Court on Friday dismissed a petition seeking a Central Bureau of Investigation (CBI) probe into alleged corruption during the Tamil Nadu assembly trust vote on May 13, which was won by TVK leader and chief minister C Joseph Vijay.A vacation bench headed by Chief Justice of India Surya Kant said the plea was based on unsubstantiated allegations and lacked credible material.Dismissing the petition, the bench observed that it was founded on "vague, wild and casual allegations without any reliable material on record".Also read: Book sexual crime cases promptly, ensure stringent punishment to culprits, TN CM Vijay tells policeThe petitioner argued that TVK, despite emerging as the single-largest party in the assembly elections, did not have sufficient numbers to form a stable government on its own. Vijay secured the support of 144 MLAs and won the trust vote on May 13.According to the plea, TVK held 108 seats and fell short of a majority before securing support from the Congress, CPI, CPI(M), VCK, IUML, a faction of rebel AIADMK legislators and the lone AMMK MLA.