1. Lifetime Membership of Cryptology Research Society of India (Membership Id: L/0642).

  2. Lifetime Membership of Ramanujan Mathematical Society, India (Membership Id: 1098).

  3. Lifetime Membership of Indian Science Congress Association, India (Membership Id: L32662).

  4. Lifetime Membership of Indian Mathematical Society, India (Membership Id: L/2017/47).