Starting with SMS Special Tariff Voucher, BSNL has launched new STV 15 offering 1500 Local & STD SMS to any network for 28 days. But first 2 SMS daily would be charged at 50p/SMS after which you will be eligible to use the 1500 SMS from the STV. You can activate this SMS Pack by sending SMS NEWSMS15 to 123 and only Rs. 13.04 would be deducted.
The Combo Voucher 224 offers 20,000 Local & National sec along with 500 MB data and 200 SMS to any network in India for 26 days. The data & SMS under this Combo Voucher would work in Roaming as well. You can send SMS NEWCOMBO224 to 123 for activation and Rs. 194.78 would be deducted.
Lastly, BSNL has introduced Voice Voucher 149 offering 19,800 Local & National sec for 26 days. This Voucher can too be activated by sending a SMS NEWVOICE 149 to 123 and Rs. 129.57 would be deducted from main balance.
All these above mentioned offers are available from 22nd June, 2017 only. You can download & read full notification from here.