RJD chief Lalu Prasad Yadav's son Tej Pratap Yadav on Wednesday (April 18) got engaged to Aishwarya Rai, the granddaughter of former Bihar Chief Minister Daroga Rai at a private ceremony in Patna. Tej Pratap had earlier served as the Health Minister for a term of 20 months in the Nitish Kumar-led Grand Alliance government. He formally joined politics post-2015 Bihar Assembly elections and won a seat from Mahua, Vaishali.