Foreign nationals traveling to ICTK should apply to the nearest Indian embassy / consulate 2-3 weeks in advance for their visa. Visa and related travel guidelines are available at: VISA Guidelines
Foreign participant requiring an Indian visa to attend International Conference on Trends in Knowledge and Information Dynamics (ICTK) should send an email ( email@example.com) request to the Convenor, ICTK for an invitation letter, specifying their full name, affiliation, office address, phone/fax numbers and planned dates of arrival in and departure from India.
You may find some useful information here. However, you are encouraged to check with the Indian embassy of respective country.
Important Note: There is no provision for issuing visas on arrival in India.