Update About mobile number change?

Respect sir i request to you change my registered mobile number. Because i lost my old registered mobile number and i can’t retrieve anyhow. I requested to sbm bank and also you guys. And its gonna be 1 years. But all time you its in our pipeline. I just wanna know when I came to live . We are able to change or update our registered mobile number.

फोन नबर चेज कराना है सर