Health Minister Harsh Vardhan, in a written reply, said that in 2011, the state reported 388 deaths due to snake bite, followed by 383 deaths in 2012.
Although the 2013 figure is provisional, the number went down to 201 whereas in 2014, only 30 people have died from the bite by reptile until June this year.
Apart from West Bengal, states like Andhra Pradesh, Madhya Pradesh and Uttar Pradesh have also recorded significant deaths due to snake bites.
"Health is state subject. Therefore, it is primarily the responsibility of the state government to ensure availability of anti-snake venom serum in the health care facilities.
"However, under the National Health Mission (NHM), funds are provided to states for procurement of drugs including anti-snake venom serum," Harsh Vardhan said.
He added that in addition to manufacturing units of anti-snake venom serum in private sector, Central Research Institute (CRI), Kasuali and Haffkine Bio-Pharmaceutical Corporation Limited, a government of Maharashtra undertaking manufacture anti-snake venom serum.