On 29th March 2019, Dhanbad, the coal capital of India scored 95.3 percent and become the number one city in terms of highest 4G availability in India by the report name ‘OpenSignal’s hottest city for 4G Availability’. Ranchi which has 95% of 4G Availability, ranked second and Srinagar ranked third with the score of 94.9% on the list with 4G Availability. Raipur and Patna ranked fourth and fifth place with a score of 94.8% and 94.5% respectively.