Organ Retrieval Banking Organization(ORBO), a nodal centre for the country, has been set up at All India Institute of Medical Sciences (AIIMS), New Delhi, with a purpose of encouraging organ donations, fair and equitable distribution and optimum utilization of human organs.
The 'Donor form' is available at the below mentioened webpage.
http://www.aiims.edu/aiims/orbo/form.htm

according to the donor form , u may donate your 'hearts' and not your 'heart'.