Hoisting the National Flag on the 65th Republic Day here, Patnaik also condemned the recent incidents of violence in many districts across the state and said the culprits will be punished.
"I appeal to all...Organisations to shun violence and join the mainstream for the development of the state... The government is making all out efforts to persuade the other remaining outfits to come forward for negotiations," he said.
The Governor said, 13 extremist groups have laid down arms on account of strategies adopted by the government to counter terrorism and separatism, under the unified command structure, comprising both civil and military authorities.
He also said the capital city will get a Police Commissionerate this year to meet the law and order needs.
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"Assam has undergone a sea-change over the last dozen years, emerging from two decades of conflict and economic stagnation and is rapidly developing as a vibrant economy... However, much remains to be done," Patnaik said.
Accepting that "there are challenges ahead", he said the state can together move further on the path of peace, progress and development.
"My government has adopted the Swavalamban Scheme with effect from October, 2013 for helping the weaker and economically disadvantaged sections of the society engaged in the unorganised sector," he added.
Besides, various initiatives were started under the Multi Sectoral Development Plan in areas like agriculture, cottage industry, drinking water and education to uplift the minority communities, he said.