Overseas Citizenship of India (OCI)

Foreigners of Indian origin (except Pakistan and Bangladesh)  are eligible to apply under OCI scheme, if he/she possesses evidence of self or parents or grand parents:
  1. Being eligible to become a citizen of India at the time of commencement of Indian Constitution i.e. 26.01.1950. OR
  2. Belonging to a territory that became a part of India after 15.01.1947. OR
  3. Being a citizen of India on or after 26.01.1950.

Passengers who are carrying old cancelled passports having Life Long Indian "U" Visa Sticker affixed on it along with new passport are allowed entry into India.
Even if the OCI card holder acquires nationality of a different country, except that of Pakistan and Bangladesh, he/she is also allowed entry into India provided he/she is carrying his/her old passport having Life Long Indian "U" Visa sticker pasted on it along with the new passport of the recently acquired nationality. 

October 24,2013