RJD supremo Lalu Prasad Yadav's son Tej Pratap on Wednesday got engaged to Aishwarya Rai, the daughter of former Bihar minister and six-time RJD MLA Chandrika Rai. Aishwarya, who completed her graduation from Delhi University and received an MBA from Amity University, is the granddaughter of former Bihar CM Daroga Prasad Rai. The couple will get married in May.