construction companis for commercial and residential buildings

 simplexinfra

for big buildings, tower buildings gov projects flyovers  

Indiabulls chennai perubakm constructed by them

they built chennais guindy kathipara flyover

https://www.simplexinfra.com/Page.aspx?mid=4

https://chettinaduconstructions.com/

for medium sized buildings apartments schls colleges etc

https://chettinaduconstructions.com/gallery.html