Multiple choice general knowledge Sikkim Pawan Kumar Chamling Dorjee Khandu Raman Singh Nitish Kumar Reveal answer Fill a bubble to check yourself A Correct answer Explanation Pawan Kumar Chamling was the Chief Minister of Sikkim for over 24 years (1994-2019), making him one of India's longest-serving CMs. Khandu (Arunachal), Raman Singh (Chhattisgarh), and Kumar (Bihar) are from other states.