State Express Transport Corporation operates bus services to Devakottai a first grade municipality in the state of Tamilnadu. There are regular bus services to Devakottai from Chennai.
The name of Devakottai is derived from the Tamil World “Devi Kottai” in English Fortress of Goddess. Devakottai is well connected with road and nearest railway station is 10 kilometer away “Devakottai Road”. The passengers can board the bus service to Devakottai at Chennai Moffusil Bus Terminus, Koyambedu.
There is one dedicated bus plying between Chennai and Devakottai, 4 more buses stops at Devakottai enroute to Rameswaram (AC), Eruvadi, Thondi and Keezhakarai from Chennai.
| Class of Service | Via Route | Route No | Dept. Time | Origin | Destination |
| AIR CONDITIONED | TRICHY | 166AC | 18:30 | CHENNAI CMBT | RAMESWARAM |
| ULTRA DELUXE | TRICHY | 169UD | 19:10 | CHENNAI CMBT | ERUVADI |
| ULTRA DELUXE | TRICHY | 136UD | 20:05 | CHENNAI CMBT | DEVAKOTTAI |
| ULTRA DELUXE | TRICHY | 155UD | 20:15 | CHENNAI CMBT | THONDI |
| ULTRA DELUXE | TRICHY | 165UD | 20:45 | CHENNAI CMBT | KEEZHAKARAI |
The passengers are charged Rs.400 in air conditioned coach and Rs.315 in non air conditioned coaches. The charges mentioned mentioned are for adults and per passenger seat. The charges are excluding the reservation charges, if the seats are reserved.
The passenger can book their seats well in advance of 30 days before the date of travel by visiting the online portal www.tnstc.in or visit nearest SETC computerised ticket booking centre.
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