Most of the times, one is confused about what exactly to write in a proposal. Generally, proposals may depend upon the type of work to be done and the requirements as specified in request for proposal (RFP).
Accordingly, you may have to define the approach and conceptualize the content for your proposal. If, in any case there in no RFP issued and there are just invitations for proposals, you must plan how will you conceptualize your proposal and how will you draft it.
Following process will help you in drafting your Proposal.