As per Lawkidunya, How Do You Value a Suit For Possession in Pakistan, so as per law in a suit for possession of immovable property under section 9 of the Specific Relief Act, 1877 (Central Act I of 1877), fee shall be computed on one-half of the market value of the property or rupees one thousand whichever is higher.

What is the Value of the Suit as Per Law
Valuation of a suit is of two types. A suit has to be valued for two purposes: (1) for determining the pecuniary jurisdiction of the court in which it should be filed, and (2) for fixation of court fee to be paid.

How the Value is Determined For Jurisdiction Purpose
Provided that in suit for accounts the value for purposes of jurisdiction as determined by the court at any stage of the trial shall be final and conclusive and shall not be liable to be contested in appeal or revision.