anyone can guide me to do a research proposal and how to choose a topic.thank alot

Your thread in Education Essentials is suffice; no need to open double threads for it.

TS wants to one stone kill two birds

The problem is, TS is doing it the other way around.
S/he is killing one bird with two stones!

What's the subject? Which field?

Ts , at least give us an idea the related research or anything... if not how to guide u and giv u an idea on choosing topics..

check with ur prospective school.. some school need different style and details.. some uni in Japan just need 2 pages proposal.. top UK uni need at least 2000words..

first of all,..your proposal topic must be related to your academic background/experience ( if not still ok, but you need to do extra work to fully master your proposal topic.
ii) the proposal topic is novel (something new and potentially to be developed)
iii) topic is relevant and associable with your supervisor expertise/field and potentially to be commercialize (this will help to get scholarship)

blueprint of proposal including:-
i) topic
ii) problematic
iii) methodology
iv) hypothesis

topic:-
your proposal topic

problematic:-
the current problem (what has been done, what do you look for, how was it done) and how your proposal topic (theoretically) work to solve the problem

methodology:-
experimental section : refer journals and come up with your own methodology which is superior or on par(at least) with current methodology/process/solution.

hypothesis :-
conclusion/summary from your experiment/analysis/observation this including every field (science/engineering/it/business/politic science n etc