Revolutionary Socialist Party of India (Marxist–Leninist)
Revolutionary Socialist Party of India is a political party of Marxist-leninist orientation in India. RSP is a break-away party in 1969 from Revolutionary Socialist Party of India. R.S.P.I was formed in 19 march, 1940. The party seems to have been mainly based in INDIA.
The party contested the 1971 general election, with two candidates in Uttar Pradesh and one in Bihar.
RSPI ran three candidates in the 2005 Jharkhand state legislative assembly election.