1. First of all collect the legal heir certificate from your local Tehsilder,
2. Findout a buyer,
3. Sale him the property you wish to sell whwrein all the legal heirs will sign as vendos or execute and register a POA giving power to one legal heir to sell the property for and on their behalf,
4. talk to the buyer about the arrears of the tax which either he will undertake to pay or will ask you to pay before buying the said property or any part thereof,
5. Penalty may be charged on the arrears of tax upon you for the late payment.