- Since, you are using the said path for long time , then the access cannot be stopped by that authority without after opening a heath center .
- Firstly you should lodge your complaint with the commissioner of Municipal Corporation of your area for arranging the same.
- if no response, then file a suit under The Indian Easement act , for claiming path to your house on the ground of adverse possession i.e. using for long time.
.- under section 35 of the Indian Easement Act , you can obtain permanent injunction restraining the authority to raise any construction and also from obstructing your right to access till main road.