Você pode transitar sem visto na Índia desde que você permaneça no ar na seção de trânsito o aeroporto, e você fica por menos de 24 horas:
Then, when can I transit through India without a visa?
If you meet all of the following conditions, you can transit through India without visa. The conditions are:
- Layover time less than 24 hours as determined by scheduled arrival and departure times;
- With confirmed plane tickets to a third country;
- Staying in the specific Transit Area (means no clearing immigration, no re-checking your luggage).
Se você deseja ficar por uma parada mais longa e está pensando em sair do aeroporto, é preciso solicitar um visto de trânsito permitindo que você fique até 72 horas :
Transit visa is granted for the sole purpose of enabling the visa holder to travel through India to reach his/her ultimate destination. Change of purpose is not allowed.
Validity:
Transit Visa is valid for single journey or two journeys. It would be valid for entry within 15 days from date of issue specified by Indian Mission.
Duration of stay during each visit by foreign nationals passing through India should not exceed 3 days.
The applicant should possess confirmed ticket to his destination beyond India.