Sombody from this series of number very offenly gives missed calles to me

this is a isd call - it will come to you as a missed call - dont redial it - you will miss rs.22 per minute. - dont attend any numbers starts with +2 (10 digit numbers) even bsnl has announced this in newspaper

I received a miss call from +2392879062 at around 7.30 am today, when called back a lady picked and said she knows me but was unable to say her name when asked, she wanted to make friendship with me, i disconnected the call saying i dont know her. But after i disconnected i found i have lost 130.00/-. i dont understand how and why it happened? please help and do take need full action.