Senior Section Engineer/ Permanent way/ Tirunelveli section:- ( SW I ):- Vanchimaniyachchi- Tirunelveli ( DN line ) section:- Complete Track Renewal ( Primary ) by manual at isolated locations between Km:- 0. 640 to 15. 420 for a length of 2. 220 Kms in between stations Vanchimaniyachchi and Talaiyuthu. ( SW II ):- Vanchimaniyachchi- Tirunelveli ( DN line ) section:- Proposed Through Rail Renewal ( Primary ) at isolated locations between km:- 1. 540 to 13. 860 for a length of 1. 810 kms in between stations Vanchimaniyachchi and Gangaikondan.