Check out if you need an e-Visa to travel to India
Evisa is valid for 1 year after issuance. E-visa allows you to maximum stay in India up to 90 (eTourist visa) or 180 days (eBusiness visa) . With e-Visa you are entitled to multiple entry (eTourist visa and eBusiness visa) or a triple entry (eMedical visa) within this period. Applicants of the eligible countries/territories may apply online minimum 4 days in advance of the date of arrival with a window of 120 days. Example: If you are applying on 1st Sept then applicant can select arrival date from 5th Sept to 2nd Jan. Applicant should carry a copy of eTV along with him/her at the time of travel.
e-Visa is valid only for entry through 28 designated Airports (i.e. Ahmedabad, Amritsar, Bagdogra, Bengaluru, Bhubaneshwar, Calicut, Chandigarh, Chennai, Cochin, Coimbatore, Delhi, Gaya, Goa, Guwahati, Hyderabad, Jaipur, Kolkata, Lucknow, Madurai, Mangalore, Mumbai, Nagpur, Portblair, Pune, Tiruchirapalli, Trivandrum, Varanasi and Vishakhapatnam) and 5 designated seaports (i.e. Chennai, Cochin, Goa, Mangalore, Mumbai). If you are entering India through other Immigration Check Point than mentioned You must apply for a regular, 6 month tourist visa at the nearest Indian Visa Application Centre.