Does josaa charge any fee for choice locking?
No there is no fee for choice locking.
You you will not lock your seat than the automatically what you have filled at the last time ; will be considered your final choices and it will be locked.
There is only registration fee for the whole counseling process .
All the best
Now wait for the the first round .
To see the results of first round you need to login .
So login just after the results so that you can prepare for the verification of documents if you allot any seat .
See the information and annexures and documents list which you will need during the verification on the main site of josaa.