Mukherjee, Vice President Hamid Ansari and Singh paid floral tributes at Gandhi's memorial in Rajghat here.
UPA Chairperson Sonia Gandhi, Defence Minister AK Antony, Home Minister Sushilkumar Shinde, senior BJP leaders LK Advani and chiefs of three services paid tributes to the Father of the Nation at his memorial.
Delhi Chief Minister Arvind Kejriwal and his cabinet ministers - Rakhi Birla, Somnath Bharti, Satyendra Jain also paid homage to the father of Nation.
Besides, number of central ministers, leaders of various political parties and people from different walks of life also paid homage to Gandhi.
A multi-faith prayer service was also organised with religious leaders of Hindus, Islam, Buddhism, Christianity, Jains, Parsis and Sikhs participating in the programme.
Devotional songs were also sung on the occasion.
Around 250 students from different schools were also present during the programme.