The Indian constitution is an enduring document that reflects our aspirations and it is incumbent on those holding constitutional positions to maintain the sanctity of this sacred text, President Pranab Mukherjee said on Tuesday."Our nation has grown from strength to strength since Independence. It is primarily due to our steadfast adherence to the principles enshrined in our constitution," he said at the inauguration of the 47th Conference of Governors at the Rashtrapati Bhavan here. "It is an enduring document that reflects our aspirations and the avenues to achieve them in an inclusive manner," he added.Twenty-three governors and lieutenant governors are attending the conference.The president said as constitutional heads of their respective states, governors can play an inspirational role to ensure the state government's active cooperation for the successful implementation of central government’s schemes like Make in India, Start-up India, Smart City Mission and Swachh Bharat Mission.