COIMBATORE: Two pairs of trains running via the Salem division have been permanently augmented to meet the travel requirements of the increasing number of passengers. No16787 Tirunelveli – Shri Mata Vaishno Devi Katra Navyug Weekly Express has been augmented with one AC 3-tier coach with effect from June 15. No16788 Shri Mata Vaishno Devi Katra – Tirunelveli Navyug Weekly Express will be augmented with one AC 3-tier coach with effect from June 18. No 16317 Kanyakumari – Shri Mata Vaishno Devi Katra Himsagar Weekly Express will be augmented with one AC 3-tier coach with effect from June 19. No16318 Shri Mata Vaishno Devi Katra – Kanyakumari Himsagar Weekly Express will be augmented with one AC 3-tier coach with effect from June 22.