Night Light of Madambakkam (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 78.4069% and for 50x50km: 58.1455%.
Square area 10x10 km:
 2.81%
 19.05%
 36.15%
 14.5%
 21%
 6.49%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 10.83%
 14.06%
 14.22%
 5.36%
 8.51%
 7.36%
 6.01%
 5.8%
 8.11%
 10.12%
 9.62%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 32' 13.4" North, 79° 20' 36.8" East
12° 51' 9" North, 80° 2' 48" East
12° 9' 57.9" North, 80° 44' 59.3" East
Some cities around Madambakkam sort by population:
• Tambaram
		11.8 km =7.3 mi, 
47°
• Pallāvaram
		17.1 km =10.6 mi, 
41°
• Gūduvāncheri
		1.7 km =1.1 mi, 
118°
• Srīperumbūdūr
		17.1 km =10.6 mi, 
318°
• Vandalūr
		5.8 km =3.6 mi, 
39°
• Karumbākkam
		17.4 km =10.8 mi, 
163°
• Nandambakkam
		14.1 km =8.8 mi, 
9°
• Singapperumālkovil
		11.2 km =7 mi, 
202°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016