The main ceremony took place at Rajghat, Gandhi's memorial. President Pratibha Devisingh Patil will inaugurate a 'Leprosy Seal Campaign' and an Anti-Leprosy Fortnight'. Several other welfare programmes will also be launched in remembrance of Gandhi.
Meanwhile, events have been organised in Gujarat, Gandhi's birthplace. Prayers will be offered at Sabarmati Ashram in Ahmedabad, from where Bapu started his Dandi March in 1930.
Mahatma, a practitioner of non-violence and truth, was instrumental in ending British Colonial rule in India.
He was born on Oct 2, 1869 and was assassinated on Jan 30, 1948.