Have you read through any of our past threads on the topic [google.com]?

No none of them seem to answer them. Can someone pls refer the exact post

this thread may address some of your questions:
[webmasterworld.com...]

There was lot of information there, but again my question is not from google.com's Pagerank view.

I need to know what's the most ideal way of redirecting and when it's to be used and why.

Please forget "Ranking in SERP", and "Increasing Pagerank" when replying :)

As an SEO forum, that's the major consideration in choosing which one.

Use the 301 redirect unless you know of a VERY good reason to use a 302 or 307.

Avoid both 'meta refresh' and javascript 'location href' redirects unless you can think of a VERY VERY good reason to use it instead of the HTTP 301 redirect.

for the best description of when and how to use these redirection responses, i would refer to the HTTP specification:
[w3.org...]

301 Moved Permanently
The requested resource has been assigned a new permanent URI and any future references to this resource SHOULD use one of the returned URIs.

302 Found
The requested resource resides temporarily under a different URI. ...the redirection might be altered on occasion...

this is exactly what I was looking out for.

thankyou very much everyone