The President may resign from his office by writing a letter of resignation addressed to the Vice President of India
The candidate should have completed 35 years of age to be eligible as a candidate for the presidential election.
Article 61, deals with the impeachment of President.
If the office falls vacant by resignation, removal, death or otherwise, then election to fill the vacancy should be completed within six months from the date of the occurrence of such a vacancy.
Vice president gives his resignation to President
Chief Election commissioner gives his resignation to President.