I am 16 years old and I don't have any documents except my birth certificate and my students identity card is also expired. I am going to Kolkata to Imphal to apply for my adhar card. So how can I fly? Is there any way to fly?
No, you can’t fly without ID as per this question:
As per the guidelines, it is mandatory to carry a Government issued photo identification (ID) proof along with the E-Ticket for domestic flights in India.
Valid ID are:
The valid photo identification documents allowed are: Valid Passport / Driving License / Election Voter Card / Ration Card/ Aadhar Card/ PAN Card/ Photo Identity cards issued by Government On presenting your photo ID proof and E-Ticket copy, your boarding pass will be issued.