 Sadiq Batcha, a close friend of Raja's, shifted his base to Chennai from his hometown of Perambalur, after Raja became a central minister in 2004.He started a real estate firm called Green House Promoters, which had Raja's nephew Paramesh Kumar as joint managing director and Raja's brother A Kaliyaperumal and Raja's wife Parameswari as directors.Paramewari resigned the post on account of investigations.