Need advice regarding land

Hello everyone! So I am facing problem regarding land acquisition by government officials for the construction of drain and road expansion.

As per the information I have government is Removing all the illegal building and Shop that has been constructed on government land and constructing drain on extreme side of the road.

In my area, one side of the drain was constructed many years ago i.e other side of my shop and in my side it was remain as it is.

Now they have started building drain this side also. The problem is they came yesterday to marked till where the drain will be constructed. Today we have measure as per the map of our land, they have marked 7 foot inside the original length of land i have. The construction of my Shop is as per the patta I have.

They will start to break the shop and lands till the mark just after the diwali.

What actions can I take as I have no knowledge regarding it. From whom can I take help regarding the situation?