Sdmc — addition/alteration file submitted in sdmc still not approved

Address:

New Delhi, Delhi

Sir,
The addition/alteration file submitted in sdmc of saket. Its been over a month and the file is still with j. E.
How much time does it take to get the file approved?
What is the further process for the approval?
Sdmc office has given the file to je and its with him for last two weeks and no further information has been given to us.
If i could get a reply soon.
Thank you