one can lodge the FIR under Section 154 of Code of Criminal Procedure at the local police station. The documents required for filing the FIR will depend upon the type of of cyber crime committed.
The government of India initiated National Cyber Crime Reporting Portal, which is the components of Cyber Crime Coordination Centre established by Ministry of Home Affairs and government of India where you can register your complaint and have access to cyber crime cells.
here's the link- https://cybercrime.gov.in/
you need to register yourself using your mobile number after which you will receive an OTP valid for 30 mins. you need to mention all the details including incidental, suspects, complainant's (license/ voter id/ PAN card, address). After this you will receive a PDF and an email about the compalint.
you can also go for offline cybercrime complaint in the written form, for which you can file at any cyber crime cell in India as it comes under global jurisdriction