Prem Singh Tamang alias P S Golay left Chamling's SDF in September 2014 and joined SKM.

538 polling stations were set up by election commission which were guarded by 3500 policemen and 15 companies of the West Bengal Police.

[9] SKM leader Golay contested from Namthang-Rateypani seat against incumbent SDF minister Tilu Gurung.

[9] SDF leader and incumbent chief minister Chamling contested from two places, Namchi-Singhithang and Rangang-Yangang.

He became the chief minister fifth time, a record previously held by Jyoti Basu who ruled West Bengal from 1977 to 2000.