1. This Letters Patent appeal is filed by the Union of India and others against the judgement of a learned Single Judge (Mehar Singh, J.) of the High Court of Punjab, dated 21st August, 1964, directing that writ in the nature of mandamus be issued to the second appellant, Chief Controlling Revenue Authority for Delhi State, to state a case under Sub-Section (1) of S.57 of the Indian Stamp Act, in writ petition C. W. No. 189 - D of 1964 filed under Art.226 of the Constitution by the respondent herein.

2. The respondent herein, S. Sarup Singh, filed the aforesaid writ petition C. W. No. 189 - D of 1964 in the High Court of Punjab in the following circumstances :

3. The facts stated in the judgement of the learned Single Judge are not disputed before us. The respondent herein and his sons constituted a joint Hindu family. His wife purchased sometime i