The co-ordinates belongs to main five locations of tricity where most of the IT sector is established
library(leaflet)
m = leaflet()%>%addTiles%>%addMarkers(lat = c(30.710920,30.727920,30.741400,30.701690,30.694208),lng =c( 76.693320,76.8396660,76.782539,76.788340,76.860565),popup = c("8B","IT park","Sector 67","Phase -7","Panchkula"))
m