TVS Motor Chairman Venu Srinivasan and former Defence Secretary Vijay Singh were on Wednesday appointed Vice Chairmen of seven Tata trusts. Ratan Tata is the chairman of all the Tata trusts while R Venkataramanan is the Managing Trustee. Srinivasan is also on the board of Tata Sons while Singh recently stepped down from the Tata Group holding company's board.