Sahara India — non payment of invested money

Address:

RAMKOTI, Hyderabad, Andhra Pradesh, 500029

My mother invested money in sahara, i am the nominee of the funds and after her death i have approached the company of payment but they have not paid. They asked me to transfer funds on my name so that with in a year they payback. But they never paid and every year they say some story on court cases to escape the payment. They use all the tactics to renew the bonds flag end of the year and after that they never contact. Please help me where i have to complaint and how to get the money.