Does Airtel offer any customized packs for Single STD No.s ?Free/Discounted Calls to any ONE Airtel STD Mobile no.NIght Time deduction in call rates to any ONE Airtel STD Mobile no.Weekend deduction in call rates to any ONE Airtel STD Mobile no.Kindly let me know if any such package is available in POSTPAID Connections in the NCR region. Also on wht talk plans is it currently available on.I am currently using NEW INDIA ROAM 399