Sir, I received a call from no.8305444417 on 19 may 17, the persions who told his name rana and abhishek employe of secure investor company,i work with this company in last year and all the matter is clear with them, but now this two person called me and telling for some money refund and ask me for debit/credit card no. With cvv code for money refund.but i missguide them and give them my zero balance ac card no. With cvv code, they doing transaction on that card and ask me for otp for complete the transaction, i give them otp but there was no balance in my card so i m safe,but they are continuesly call me and disturbing me, so i request you to please take action against that number. Thanking you sir, your faitjfully citizen from indian army.