Mukherjee, who cut two birthday cakes, one with a group of elderly and another with specially-abled children inside the President's Estate, dedicated and unveiled a trove of 113 fine paintings, unseen till now, and they will be available for public viewing on the official website of the Bhavan.
"I am an old man...Let elder people have it (cake)," he said when the gathering rang out the birthday song for him while he cut the cake during the community initiative 'Samagam' for senior citizens.
The day began with Vice President Hamid Ansari being the first visitor to wish the President on his birthday, followed by former Prime Minister Manmohan Singh and present Prime Minister Narendra Modi.
In the afternoon, 79-year-old Mukherjee was wished by Congress President Sonia Gandhi and later by the three service chiefs.
Also Read
Union Minister Venkaiah Naidu, who presented a bouquet to the President, said Mukherjee "continues to guide all of us."
As part of his desire and idea to make the Rashtrapati Bhavan people-friendly, a set of classic art pieces, which have been kept hidden inside the iconic address of the country, was also unveiled by the President.
Also, among the exhibits is the arm-chairs used by first President of India, Dr Rajendra Prasad.
The President also launched an educational programme with an aim to inculcate the understanding of financial literacy, a subject close to him, as he had faced challenges emerging out of these issues in his earlier role of Union Finance Minister.
Young students of the Dr Rajendra Prasad School inside the Rashtrapati Bhavan premises will be trained in financial literacy and related subjects using dummy banking and literacy classes conducted by the SBI.