LUDHIANA, June 6 -- Congress' Ludhiana West candidate and former minister Bharat Bhushan Ashu has been summoned by the Ludhiana unit of the vigilance bureau (VB) in connection with a Rs.2,400 crore scam involving misuse of school land in Sarabha Nagar. The summons, issued on June 4 by deputy superintendent of police Vinod Kumar directs Ashu to appear for questioning on Friday (June 6) at 10 am. P2...