1. In pursuance of Government Nationalisation Policy, Cheran Transport Corporation Limited was incorporated as a Company under Companies Act on 17.02.1972. It commenced its services on 01.03.1972 with 109 buses taken over from the erstwhile Anamalais Bus Transport Pvt. Ltd., Pollachi in Coimbatore District at the time of formation. Subsequently, it took over 121 buses from 19 private operators in Niligiris District in pursuance of Tamil Nadu State Transport Carriages and Contract (Acquisition) Act 1973 on 14.01.1973.

2. Cheran Transport Corporation Ltd., was bifurcated and Jeeva Transport Corporation Ltd., was formed effective from 01.04.1983 with its head quarter at Erode in Erode District with 317 buses.

3. Cheran Transport Corporation Ltd., was bifurcated once again on 18.02.1994 and a new Corporation was formed in the name of "Mahakavi Bharathiyar Transport Corporation Ltd, Udhagamandalam", in Nilgiris District. It commenced its operation with 367 buses at the time of formation.

4. In the meantime, Cheran Engineering Corproation Ltd., functioning at Pollachi and carrying out the construction of Bus Body Building works was merged with Cheran Transport Corporation Limited effective from 01.04.1996.

5. The name of the Company, Cheran Transport Corporation Limited, Coimbatore was changed as "TamilNadu State Transport Corporation Coimbatore Division-I Ltd., Coimbatore" and the name of the Company, "Mahakavi Bharathiyar Transport Corporation Limited, Udhagamandalam" has been changed as "TamilNadu State Transport Corporation (Coimbatore Division-III) Ltd., Udhagamandalam" with effect from 23.07.97.

6.The name of the Company, Cheran Transport Corporation Limited, Coimbatore was changed as "TamilNadu State Transport Corporation Coimbatore Division-I Ltd., Coimbatore" and the name of the Company, "Jeeva Transport Corporation Limited," Erode" has been changed as "TamilNadu State Transport Corporation (Coimbatore Division-11) Ltd.,Erode" with effect from 23.07.97.

7. Tamilnadu State Transport Corporation (Coimbatore Divsiion-III) Ltd., Udhagamandalam was merged with M/S. Tamilnadu State Transport Corporation (Coimbatore Division-I) Ltd., Coimbatore with effect from 07.11.2000.

8, Subsequently, Tamilnadu State Transport Corporation (Coimbatore Division-II) Ltd., Erode was merged with Tamilnadu State Transport Corporation (Coimbatore Division-I) Ltd, Coimbatore from 30.12.2003, and this Corporation is at present functioning in the name of "Tamilnadu State Transport Corporation (Coimbatore) Ltd., Coimbatore". Under this Corporation there are four regions namely Coimbatore, Ooty, Erode and Tirupur.