You can go for "New Talk Corporate 249 - STD" plan. You will 450 minutes of free local mobile talktime and monthly 200 SMS free. After 450 minutes of talk time, you will be charged 30p/1 min to Vodafone numbers, 40p/1 min for others, and Rs. 1/1 min for landline numbers.
For more details, refer the below link:
Vodafone Postpaid Talkplans | Karnataka