Longest Serving Chief Minister of Indian National Congress

This list belongs to Longest Serving Chief Ministers of Indian states and union territories. Either they served continuously or otherwise.

S No	NAME	STATE	TENURE
1	Gegong Apang*	Arunachal Pradesh	22 years 250 days
2	Lal Thanhawla	Mizoram	21 years 55 days
3	Virbhadra Singh	Himachal Pradesh	21 years 11 days
4	Yashwant Singh Parmar	Himachal Pradesh	18 years 30 days
5	Mohan Lal Sukhadia	Rajasthan	16 years 194 days
6	Pratap Singh Rane	Goa	15 years 250 days
7	Sheila Dikshit	Delhi	15 years 25 days
8	Okram Ibobi Singh	Manipur	15 years 8 days
9	Tarun Gogoi	Assam	15 years 7 days
10	Shri Krishna Sinha	Bihar	14 years 304 days
11	Bidhan Chandra Roy	West Bengal	14 years 159 days
12	Williamson A Sangma*	Meghalaya	14 years 87 days
13	Janaki Ballabh Patnaik	Odisha	13 years 155 days
14	Bimala Prasad Chaliha	Assam	12 years 313 days
15	Bansi Lal*	Haryana	12 years 250 days
16	Ashok Gehlot**	Rajasthan	12 years 206 days
17	N Rangasamy*& **	Puducherry	12 years 27 days
18	Bhajan Lal *	Haryana	11 years 298 days
19	Vasantrao Naik	Maharashtra	11 years 75 days
20	Govind Ballabh Pant	Uttar Pradesh	11 years 11 days
21	Digvijaya Singh	Madhya Pradesh	10 Years
22	K Kamaraj	Tamil Nadu	9 years 172 days

Key : * meaning they were previously member of the congress party. ** meaning current Chief Minister