Signal work in connection with Engineering department work (like CTR, TRR, TTR, TFTR, TFR, TWR, etc.) in Virudhunagar - Vanchi Maniyachi - Tuticorin, Tirunelveli - Tiruchendur, Manamadurai - Rameswaram, Virudhunagar - Tenkasi, Madurai - Dindigul -