Starting today, you can now make ISD calls from your MTNL (Maharashtra Telephone Nigam Limited) landline/Garuda, phones at your local rates! You do not even have to activate the ISD service. Instead of dialing 00 for ISD you just have to dial 1300.
Source: http://mumbai.mtnl.net.in/promo_isd.pdf
Source: http://mumbai.mtnl.net.in/promo_isd.pdf
