Vodafone Flex

Vodafone introduced new Flex Plan.
In a single recharge option prepaid users can reduce tariffs of SMS,Calls and Internet.
It's an All in One pack.
As we make detailed calculation it is as given below. 

(vodafone flex plan details)

Flexi Plan Benefits

Flex	Rate(Kerala)(Rs)	Rate/Flex (ps)	Rate/SMS(ps)	Rate/Call (ps)	Rate/MB (ps)
325	118	36	36	73	36
700	197	28	28	56	28
1200	296	25	25	49	25
1750	397	23	23	45	23

Vodafone introduces 'Flex' prepaid plans across india.
This is only to make calculation easier and actuals may vary as on 03/10/2016.
I here by disclaim that I am neither associated to Vodafone or Vodafone promotions.

Krishi Kalyan Cess meaning

Krishi Kalyan meaning - 'Krishi' means 'farming' and 'Kalyan' means 'welfare' in Hindi.

Finance Minister Arun Jaitley proposed to impose a Krishi Kalyan Cess (KKC), at 0.5 per cent on all taxable services, proceeds of which would be exclusively used for financing initiatives relating to improvement of agriculture and welfare of farmers on presenting the Budget for 2016-17.

KKC came into effect from 1 June 2016.

Now the effective rate of Service Tax is 15% (as on 1-June-2016) as sum of Service Tax Rate 14% and Swachh Bharat Cess 0.5% and Krishi Kalyan Cess (KKC), at 0.5%

note: check governments sites for more accuracy.