LUDHIANA, Oct. 22 -- Summoned by Ludhiana court after his various pleas and revision petitions for non-appearance were dismissed thrice, Congress leader and ex-minister Navjot Singh could not be produced in court on Friday due to health reasons. While the district court in Ludhiana witnessed unprecedented security measures in place, in wake of Navjot Singh Sidhu expected to be produced before the Court of Chief Judicial Magistrate Sumit Makkar, the leader was not brought here from Patiala jail as he had to be taken to Rajindra hospital there for a check-up. Doctors reportedly advised against his travelling to Ludhiana. The Court has fixed the next date of hearing on October 28 when the leader is expected to be brought here....