ou start off on the Chennai Kanyakumari road along the SH 114. This will take you to the Kamarajar Promenade. From there you need to reach Dr DGS Dhinakaran Salai road or the Greenways road. Once you cross these roads, you will reach the East coast road that is located in Kamaraj Nagar. Once you are on the East coast road, you need to drive straight to Pondicherry.
Pondicherry is to the south of India and these areas tend to get quite hot in summer. If you want to enjoy a trip to Pondicherry the ideal time to visit would be between October to February when the climate is cooler. Winters here are not as harsh as they are up in the north and you will be able to enjoy roaming around even with cool cotton clothes without feeling chilly or cold. The winter temperature in Pondicherry is around 17 degrees. March to June are the summer months in Pondicherry. If you can avoid visiting this place during these months then it's best to do so. The temperatures here can soar as high as 41 degrees which can make it tough for you to roam around. The plus point of visiting Pondicherry during these months is that you can beat the crowd. If you want to make the most of a summer trip here then you can always consider renting air conditioned outstation cabs.
While looking for a car hire in chennai, you can check for any alternate routes to reach Pondicherry from Chennai. While the fastest route is via the east coast road, you can always opt for another route if your driver is confident of the road.
The road between Chennai to Pondicherry is a straight one that is well maintained. This journey takes approximately 3 and half hours and is a comfortable journey without any major bumps.