Tourist and business visa:
Passport should be valid for at least 6 months since the day of entrance to India.
Tourist visa is required for a leisure visit to India. It is always a multiple-entry visa and valid for 12 months. NB! Continuous stay should not exceed 90 days.
Business visa is for a person visiting India on business purposes. It is multiple-entry visa and valid for one year. NB! Continuous stay should not exceed 180 days.