TC reported saloon lights at Front DT, Front M1 car and rear DT car faulty. TC reported saloon light s at Front DT, Front M1 car and rear DT car faulty. ~~~~~ 3542 & 1542 TC reported saloon lights faulty. TC reported saloon lights at Front DT, Front M1 and rear DT car faulty. CE checked : 3541-B2,1542-B4 and 3542-B11 found saloon lights not working.  3542 B11 & #1542 B4 saloon lights replaced with new flourescent lamps. Security/function check - OK. OPS 20 raised to follow-up on #3541 B2 saloon light.  Farid 45355 #3541-B2 saloon light further check.  3541 B2 found flourescent tube holder faulty. Replaced the holder. Security/function check - OK.  Shafie/Sugu/Anand 45356