Hi Vineet: I use to get args and form's field whit *request.args(N)* (N integer >= 0) and *request.vars.fieldname* (where fieldname, is a name of an input in form submited)
http://www.web2py.com/book/default/docstring/request.args http://www.web2py.com/book/default/docstring/request.vars HTH! Bye
