Nsdl E-Governance Infrastructure — change in mobile number and email id ico[protected]

Address:

Madhubani, Bihar, 847229

Sir, earlier i have worked for ministry of labour and employment at asansol and that time i have given the mobile no. [protected] and email id [protected]@gmail.com. I have an nsdl account bearing number bearing no[protected] now i am working for income tax department in bangalore and i want to change my mobile number from [protected] to [protected] and email id from [protected]@gmail.com to [protected]@gmail.com.
I could not change this online because i lost my phone number and password of email. Id so kindly rectify this at the earliest.