Hi. The only place outside of Japan where you can take the exam is in Los Angeles (Computer based), I'm afraid: http://www.kanken.or.jp/frame/cbt.html (this for level 2 to level 7).

Kanji Kentei http://en.wikipedia.org/wiki/Kanji_kentei It is not held in India. :( http://www.kanken.or.jp/frame/kazoku.html