Article 61 of the Constitution of India
The process of impeachment of the President of India is as follows:
(1) When a President is impeached for violating the Constitution, either House of Parliament may bring the charge.
(2) No such charge is preferable unless:
(2a) the proposal to prefer such charge is contained in a resolution that has been moved after at least fourteen days' written notice of intention to move the resolution has been given by not less than one-fourth of the total number of members of the House, and
(2b) such a resolution has been passed by a majority of at least two-thirds of the House's total membership.
(3) When one House of Parliament prefers a charge, the other House must investigate the charge or cause it to be investigated. The President is entitled to attend the investigation and be represented.
(4) The President will be removed from office as of the date the resolution is so passed if, as a result of the investigation, a resolution is passed by a majority of not less than two-thirds of the entire membership of the House by which the charge was investigated or caused to be investigated, declaring that the charge preferred against the President has been sustained.