According to recent data released by DoT, the teledensity in the four metro cities ­ Delhi, Mumbai, Kolkata and Chennai ­ has crossed the 100 per cent mark.

According to recent data released by DoT, the teledensity in the four metro cities – ??Delhi, Mumbai, Kolkata and Chennai ?? has crossed the 100 per cent mark. Chennai leads with a 143 per cent penetration, followed by Delhi at 138 per cent, Mumbai at 112 per cent and Kolkata at 102.4 per cent.