BSNL Free Missed call Alert Trick

Now bsnl subscribers no need pay for their activation for missed call alert even if ur mobile is switched off or out of coverage area its 100% free.
Dial *62*17010#
or

---->menu
---->tools
---->settings
---->phone
---->call divert
---->voice calls
---->options
---->activate
---->to voice mailbox
type the number as '+9117010' save it and cheat bsnl

Just divert your all calls to +9117010 when your mobile is switched or you are out of coverage area.