KOLLAM: The remand duration of K Surendran is likely to get extended. Though Surendran got bail in the case registered for violating section 144 at Sabarimala, he is still remanded in Kottarakkara sub jail in connection with a case registered by Kannur police. The home department has decided to perform a detailed check for finding existing warrants against Surendran. The police are trying to implement these warrants before Surendran comes out of jail.