Aircel — credit card scam

I am an existing customer of sbi bank holding a credit card from last 3 years last week i have applied for a new irctc card and today i have received a call from one executive from sbi named kunal having employee id: 271773 from the no.[protected] saying that he will merge my existing card with the new card which will be issuing and informed about all my relevant details and thereafter done 3 transactions amounting to rs. 10, 207.29, 10210.36 & 10207.29 has been done from my card around 11:15 to 11:30 am. I request you to find out the details of the person in whose name the number is registered and help me out to reach to the fraudulent person.