You can enter India through the following airports- Ahmedabad Amritsar Bagdogra Bangalore Calicut Chennai Chandigarh Cochin Coimbatore Delhi Gaya Goa Guwahati Hyderabad Jaipur Kolkata Lucknow Mangalore Mumbai Nagpur Pune Tiruchirapalli Trivandrum Varanasi E-Tourist visas are valid for entry through the 3 seaports viz: Kochi,Goa and Mangalore.