Education and Career Forum

Respected sir
My name is javed ahmad . I m student f b.tech final year . Recently i am quilified csir jrf net exam which is held on 23 dec 2012 . I have got 150 rank . My rool no is 630707 in this exam. The result will be declaired before two month on 20 march 2013. I m submitted my al btech certoficate 10and 12 marksheet and certificate and all other neccassary document. But my certificate is not reach at me till today. I m very affraid about my carrer. Please tell me when certificate will be reach to me in my hand
What is the validity of certificate.
Please sir tell me as soon as possible.
Thank you