Bro IMEI implant is ILLEGAL in INDIA. Most of the chinese handsets in india contain invalid imei number.Last year, Govt has tried to start GII programme to make these phones legal......... bt unfortunately that programme stopped.
In short
In INDIA, IMEI changing for any phone is illegal.
For more details just follow this link..........
http:///vbb/...ion+imei+India
w.r.,
k_abhi