| Village | Melavallakarai |
| Block | Keelaiyur |
| District | Nagapattinam |
| State | Tamil Nadu |
| Country | India |
| Continent | Asia |
| Time Zone | IST ( UTC + 05:30) |
| Currency | Indian Rupee ( INR ) |
| Dialing Code | +91 |
| Date format | dd/mm/yyyy |
| Driving side | left |
| Internet cTLD | in |
| Language | Tamil |
| Time difference | 10 minutes |
| Latitude | 10.766359 |
| Longitude | 79.842335 |
Melavallakarai is a village panchayat located in the Nagapattinam district of Tamil-Nadu state,India. The latitude 10.766359 and longitude 79.842335 are the geocoordinate of the Melavallakarai.
The surrounding nearby villages and its distance from Melavallakarai are Veppanchery , Vettaikaraniruppu , Pudupalli , Ettukudi , Thirukuvalai , Karunkanni , Chinnathumbur , Venmanachery , Thirupoondi ( E) , Meenamanallur , Cholavidyapuram , Palakurchi , Keezhapidagai , Thiruvoimoore , Karapidagai ( North) , Esanur , Keelaiyur , Eraiyangudi , Karapidagai ( South) , Madapuram , Prathamaramapuram , Thalayamalai , Thannilapadi , Thirupoondi ( W) , Valakarai , Vilunthamavadi .
The native language of Melavallakarai is Tamil and most of the village people speak Tamil. Melavallakarai people use Tamil language for communication.
Melavallakarai village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Melavallakarai sun rise time varies 10 minutes from IST. The vehicle driving side in Melavallakarai is left, all vehicles should take left side during driving. Melavallakarai people are using its national currency which is Indian Rupee and its internationl currency code is INR. Melavallakarai phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Melavallakarai people are following the dd/mm/yyyy date format in day-to-day life. Melavallakarai domain name extension( cTLD) is .in .