He was speaking at a function where a book on the RSS, written by Ramesh Mehta and published by Lotus Publications, was released.
"RSS' ideology of socio-economic equality, nationalism and its work in the field of health, education is the solution to all the problems," Gadkari said.
Marxism and socialism had failed over the years, he said.
"RSS' model of social and economic development can give a direction to the world," the senior BJP leader said.
The organisation survived negative propaganda directed at it because of its conviction and commitment, Gadkari said.
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RSS' ideology of Hindutva was all-inclusive, he said.
Uttar Pradesh Governor Ram Naik was also present at the function.
Naik said that while Mehta's book is about RSS' history from 1925 to 1996, its journey and growth thereafter should also be chronicled.