Friends, Major change in Tan Registration has been done by NSDL. Earlier there was no value of Mobile Number during Registration of TAN Number or Re-Registration of TAN. But now SMS of verification code will be provided on the mobile number entered during the Registration/Re-Registration of TAN. In case any service provider enter mobile number of the DDO, either he will be asked him for code or he can not registration of TAN. In such case he (Service Provider) will have to enter his mobile number for getting instant Code of SMS in mobile number.