"It was unfortunate for the country that after Dr. Syama Prasad Mookerjee and Babasaheb Ambedkar resigned from the government, their suggestions were not implemented as they should have been," PM Modi said
Mookerjee was the founder of Bharatiya Jana Sangh, the political arm of the RSS and the bud of what is today the BJP
Mookerjee was one of the three non-Congress nominees to have been inducted in Jawaharlal Nehru's cabinet
"Had Congress not done this mistake, the country would not have been divided (in 1947)," the BJP chief said.
Police said a group of students blackened the face of the statue and tried to bring it down. Six students have been detained.
The Mission, that was announced last year to replace UPA government's PURA (Provision of Urban Amenities in Rural Areas) initiative, aims at improving the quality of life of people by involving the government this time.