[5] Sikder was born on 12 August 1930, in Assam, British India.
[3] Sikder started his business career in real estate.
[3] After the Assassination of Sheikh Mujibur Rahman in the 15 August 1975 Bangladesh coup d'état, Sikder organised prayers for Sheikh Mujibur Rahman on 19 August 1975.
Dipu Haque Sikder and Ron Haque Sikder fled Bangladesh on 25 May 2020 after they allegedly tried to force a bank official to provide them a large loan.
His daughter, Parveen Haque Sikder, is a member of parliament from women's reserved seat.
[14] Sikder died on 10 February 2021, while under treatment at Saudi German Hospital in Dubai.