Few annoyances I noted in the FAQ "What Google search sites does it support?" section. google.co.in is by default in English, you would have to explicitly set it to another language [1]. "Indian" is not a language (Hindi, Malayalam, Bengali etc. is [2]). Farsi is not spelt Farsai [3]
[1] https://www.google.co.in/?hl=ml
[2] http://en.wikipedia.org/wiki/Languages_of_India
[3] http://en.wikipedia.org/wiki/Persian_language