Different categories of Visas with specific endorsement of number of entries allowed and duration of stay in India are mentioned on the Visa depending upon request and subsequent decision of the Visa issuing authority.
Foreigners may also look for specific endorsement, if any, on the Visa for their guidance.
In case of any doubt, they may seek clarification from any of the Indian Missions abroad. Nationals of Nepal and Bhutan do not require Visa to enter India. However, citizens of Nepal & Bhutan require a Visa when entering India from China.
A citizen of Maldives visiting India for a short period, upto 90 days, is exempt from the requirement of Visa, as a special case, provided he/she holds a valid Passport issued by, or on behalf of Government of Maldives. This Visa free entry is allowed for the tourism purpose only. The period of 90 days shall include any prior period of stay of such foreigner on Tourist Visa Sticker in India during a period of six months immediately preceding the date of his/her entry into India.
The Maldivians who want to visit India for a period of more than 90 days shall get Visa issued
A separate Visa regime exists for diplomatic/& official passport holders.
Overseas Citizen Of India (OCI) :-
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.