Only in India? are you sure this doesn't happen in Nepal or by Nepalis? It is unfortunate that we tend to ignore our own problems and feel better by addressing our neighbors'.

Read these recent news:
http://www.nepalitimes.com/issue/2012/12/26/Nation/19884#.UNsBiFZfTz4 "Rape for Ransom in Nepal"

And from this morning:
Two-year old Nepali girl 'raped' by relative dies in India
http://www.nepalnews.com/archive/2012/dec/dec26/news07.php