Unit Trust Of India Mutual Fund [Utimf] — No current update/Payment pending

Address: Delhi

My mother brought this Unit trust of India Rajlaxmi Unit plan (II) [RUP (II)](CLAUSE XI), Membership No. [protected] dated 26/05/2000, by my name, Muskaan Gupta date of maturity being 26/05/2020. We do not know the current status of this scheme but someone mentioned that it was terminated in September 2000. Can you please advice how to move forward, whom to contact and how to redeem the amount?