If you travel to India for a shorter period than 90 days you can obtain a tourist electronic visa online. The order of issue of such visa is described in detail here http://www.indembwarsaw.in/index.php/en/consular-visa-services/e-tourist-visa)
To apply online and fill in the forms please proceed here https://indianvisaonline.gov.in/visa/tvoa.html
Before applying make sure you have ready:
- your passport;
- names of your Father and Mother and names of their birthplaces; 
- name, birth date, birthplace and address of your spouse; 
- your own photo in the white background, not larger than 300 kb, jpg format;
- copy of the main page of your passport in pdf format;
- valid bank card with up to around 70 EUR (80 USD) on your account to pay for the visa (according to the required visa type).
If you plan to visit India for a longer period than 90 calendar days, please refer to BLS INTERNATIONAL VISA SERVICES-LITHUANIA

Indian Visa Application center http://www.blsindiavisa-lithuania.com/contactus.php.

If you have any questions, please refer to the Frequently Asked Questions page or check the online application guide at the links below.

Visa FAQ

                 Application guide

Information on visas is available here also