Pawan Kumar Chamling
Pawan Chamling (born 22 September 1950) is the fifth and incumbent chief minister of the Indian state of Sikkim. Chamling is the founder president of the Sikkim Democratic Front, which has governed the state for five successive terms since 1994. He is also the longest standing Chief Ministers of India which has won the legislative assembly elections for 5 terms in a row and will be completing 25 years of governance by the next legislative elections in 2019 creating a political history in India. On 28th April 2018 he is set to be India's longest serving Chief Minister ever. Right now the record is with Jyoti Basu who was Chief Minister of West Bengal from 21st June 1977 to 6th November 2000 (23 years 4 months and 16 days).