How to e-file when my employer does not have a tan number

Dear Forum Members

I am employed with an foreign embassy and I am an Indian National and Resident of India. The embassy does not deduct TDS from my salary nor does it give Form-16. The embassy does not have a TAN. I am trying to e-file my income tax returns, but the ITR system is asking for my employer's TAN number. My employer (The Embassy) does not have a TAN and they are exempt as per the international conventions. The Income Tax system is not accepting my returns without my employers TAN number. How do I e-file my Income Tax Returns without providing my employers TAN number when they are exempt by the Government itself

Views, suggestions and advice from forum members will be very much appreciated

regards

P S Krishnan

Chennai