No, there is no any time period limitation to call the F & F number at NRS.0.99, but during the off time (10:00 P.M – 6 A.M) you can enjoy the inside network call at the rate of  NRS. 0.70 Per minute.

To delete the F&F number, there is no any charge but to add another number, you would be charged NRS.39.00 (excluding tax and VAT).

No, you are not charged for adding there F&F numbers for the first activation, but afterwards if you want to change the number then you would be charged accordingly.

This is the Scheme for the “RAMRO” Subscribers which enable them to add any three Ncell numbers to their F&F (Friend and Family) list. While Calling to these numbers the subscribers are charged NRS 0.99 per minute.