Reliance Communications today introduced 7 Series Mobile number branded as “Lucky 7″ for its GSM subscribers in Tamil Nadu.Mr. Somasekhar Ganapathy, Head, Reliance Communications, TamilNadu & Kerala Hub, said “In a crowded 9 series market, the allotment of the new number series beginning with 7667 will differentiate our GSM Mobile services in the most effective way.The company starts to offers the all new “7 series” with immediate effect on both its prepaid and postpaid platforms across its GSM Mobile service network in Tamilnadu circle. The Department of Telecommunications (DoT) has allotted the new 7667 series for Relaince Communications, making it as the first telecom operator to launch 7 Series in Tamil Nadu telecom circle.”