Sir/madam, My son mistakenly blocked my Tata Docomo SIM on sunday(7.8.2016). Now I was not able to make a call.And also I am not able to find the number on the back of my sim card, because the card was scratched. So I could not contact with customer care.The details are given below: Tata Docomo SIM NO: [protected] Name in Address Proof: M.Sooriyamoorthy( my husband name) Address given at the time of buying the card: 7/26, NIT Quarters, Duvakkudi, trichy-15 Kindly do immediate action. Thank you. by P.krishnaveni Contact No: [protected]