SW I: Manufacturing, supply and stacking of machine crushed Track ballast including leading and loading at Periya Naga Thunai ( PRNT ) depot ( Quantity = 21, 150 cum ) in connection with the work of ( a ) Bengaluru- Salem section: Increasing sleeper density of existing 52kg PSC sleepers of 1310/ km to 1540/ km for a length of 9. 565km in loop lines of ADEN/ Dharmapuri, ( b ) Chikka Banavara- Hassan section: Through ballast recoupment of Points and crossings at Nelamangala ( NMGA ) yard- 08 Nos., ( c ) Through ballast recoupment of points and crossings at Dharmapuri ( DPJ ), Rayakottai ( RYC ), Periya Naga Thunai ( PRNT ), Kelamangalam ( KMLM ) and Banaswadi ( BAND ) yards- Total 11 Nos., ( d ) Bengaluru- Salem sec: Through ballast recoupment of points and crossings 10 Nos., at Hosur ( HSRA ) yard. SW II: Bengaluru- Salem sec: Supply and dumping of ballast in connection with the work of Construction of track machine siding at Rayakottai ( RYC ) station in ADEN/ Dharamapuri section.