C U MARKETING — Invested money not return

Address: Bldg no F1, Room No -10, Godrej Hillside Colony, LBS Marg, Vikhroli West, Mumbai 400079

My father had invested Rs 30, 000 in c u marketing in 1998. But my father is no more today how i can get refund our money? What all is the process for getting refund. I have got the supporting with me. Kindly help