tiruchchirappalli - karaikkudi section : proposed ancillary works for deep screening byballast cleaning machine between km:- 406.810 to 434.000 for a length of 27.190 kmsincluding 12 sets of points & crossings in between tiruchchirappalli & keeranur stations insenior section engineer / permanent way / pudukkottai section.bidding type normal tender .