TNSTC Buses for Different Colours
First I thank for the respective owners for taken this pics (TNSTC Bus Videos) and posted in the internet.
TN 23 N 1353 #2 Vellore-Periyapodinatham Route
TN 23 N 1885
TN 23 N 20XX #102 Vellore-Chennai Route
TN 27 N 0880
TNSTC Villupuram-Double Glass Old Beauty
TN 74 N 1035 Thisayanvilai-Chennai Route