The amount they can charge is capped in many cities; you can go legal to avoid payment or even recover your money paid under pressure
However, assets inherited from one's maternal grandfather are not regarded as ancestral
Mutation entry does not confer any property right, title or interest in favour of an individual and is only for the fiscal purpose, the Supreme Court has said.
Transfer of Immovable Property is generally affected through two modes: One, through a sale deed executed between the buyer and seller which attracts stamp duty of 6% (approx.) of the sale price of the property, and second, through execution of a general power of attorney (GPA), agreement to sell and will by the seller in favour of the buyer, which attracts a significantly lesser stamp duty