<p>Prem Chopra line, from the film Bobby, even if it was the only line he had: &ldquo;Prem naam hai mera. Prem Chopra!&rdquo; Driving down with him from Chandigarh to Ludhiana the other day, our host told the octogenarian villain and fine gentleman, about a memorial coming up in the Punjab town to commemorate freedom fighter Sukhdev &mdash; partner of Sardar Bhagat Singh.</p>