On Wed, 25 Nov 2009, Renugopal M. wrote:
> How will I get $\theta$ in roman.
You cannot, since the Greek and Roman Languages have different alphabets :)
More seriously, if what you want is an upright "theta", then
\usepackage{upgreek} and do $\uptheta$.
PS: By the way, why do you tow a totally unrelated (past) question with
yours?
--
Krishnan