RJD chief Lalu Prasad Yadav's 29-year-old son Tej Pratap has filed for divorce from wife Aishwarya Rai nearly six months after their marriage. Tej, who married Aishwarya in May this year, filed for divorce in a Patna court on Friday. Aishwarya also belongs to a political family with her father Chandrika Rai being an RJD leader and a former minister.