1. Big Adda is a Indian Social Networking Site,free to create the blog as well, So many celebrities have created his blog on big Adda.
2. Facebook as the most used social network by worldwide monthly active users
3. Orkut is good community to search your friends and share your photos, sending scrap.
4. Hi5 – General Popular in India.
5. LinkedIn is a business oriented social network site.
6.Tagged is also good social networking site.
7.Twitter is also free social networking site.