Calicut section: Increasing sleeper density for a total length of 8.006 km, from 1340 nos to 1660 Nos/Km in Road 1 & 3 at Walayar yard, Road 4 Karakkad yard, Road 2 at Pattambi and Road 1 & 4 at Pallipuram yard, Road 2 at Tirur Yard, Road 3 at Para