New Delhi, Jan. 26 -- Congress President Mallikarjun Kharge on Monday extended greetings on the occasion of the 77th Republic Day, calling for "defence of the principles and spirit of the Constitution."

Mallikarjun Kharge unfurled the national flag at his residence, 10, Rajaji Marg, on the occasion.

The Leader of Opposition in Rajya Sabha wrote on X, "It is the need of the hour that we stand firmly in defence of the principles and spirit of our Constitution. Justice, liberty, equality, and fraternity, these are the enduring values bestowed upon us by our founders, and safeguarding them is our sacred duty."

"We must be prepared to make every necessary sacrifice to protect the Constitution. This alone will be our true tribute to the sacr...