My wife is applying visitor visa. she got a receipt from Nabil Bank but not the application. In website it was told that Application must bring. What to do???

What kind of strong documents she should bring with her to show strong tie in Nepal?

My Kathmandu house is under construction and design is under process of approval. How I can show these asset? What is valuation and who will do it??

What kind of oral preparation Do I have to tell my wife to effective response of consular queries?

Please help!!!