Now you can increase data validity of 3g for unlimited days If you have left more data and validity is going to expire soon then this trick help to increase data validity Firstly dial *129# it'll open night store, currently you'll see a possibility of Unlimited Facebook pack for one day. Activate this Unlimited Facebook pack for one day.. All Done !! it'll Increase your information pack validity for one Day in one Rs . Repeat this method Daily to increase the validity in precisely Rs 1. Enjoy !!