The contents of legal notice in India are:
The details of both the parties, like name, address, contact information.
The problem faced or loss suffered by the sender of legal notice.
The remedy sought from the other person to resolve the problem or cover the loss.
The action or inaction of the receiver upon intimation of problem.
Further remedy sought by the sender of legal notice.
The legal action that will be taken in case the remedy is not provided by the receiver.