بسم الله الرحمن الرحيم
Read Ya Latif (يا لطيف) 1111 times every day after Isha prayer and before going to bed with durood before and after. Also write Surah Ahzab on some paper and put the paper in some box and place it in some proper place in your house. In-shaAllah, you shall have suitable proposal. (Amal-e-Qurani, p. 49, pub. Darul Kitab)
Allah knows Best!
Darul Uloom Deoband
This answer was collected from the official ifta website of Darul Uloom Deoband in India.