He is asking how to know mobile phone 2G 3G 4G
He has given detailed information about talkback in mobile.
He wants to know how call conference is done in mobile.
He wants to know how to do conference calls in keypad phones.
He is giving information on how to change your address in UDID card.
He has explained well how to change address on educational certificate.
He is with whoever wants to give admission to the blind children, please contact him.
He is asking for more details user from on who and how the people are troubling him.
Giving Information about the braille Bhagwat Geet
Giving a response to another user and asking him to record if couldn't understand. vRA Delhi