.in is the country code top-level domain for India. It was introduced in May 1989. It is currently administered by the National Internet Exchange of India.
Wikipedia
Introduced:8 May 1989
TLD type:Country code top-level domain
Status:Active
Registry:INRegistry
Sponsor:National Internet Exchange of India
Intended use:Entities connected with India
Actual use:Very popular in India. Liberalisation of registration rules in 2005 led to a large increase in registrations including overseas registrations.
Registration restrictions:No restrictions on who can register second-level domains or most third-level domains, various specific restrictions under some of those specialised subdomains.
Structure:May register at the second level or at the third level beneath generic-category 2nd-level domains
Documents:Policies
Dispute policies:IN Domain Name Dispute Resolution Policy (INDRP)