Which Indian state has no railway connectivity?

Sikkim remains India's only state without railway connectivity due to its challenging mountainous terrain, necessitating extensive tunneling for construction. While a new line is underway to connect Rangpo, travelers currently reach the Himalayan state via train or air to nearby hubs, followed by road journeys.

Which Indian state has no railway connectivity?
Sikkim remains India's only state without railway connectivity due to its challenging mountainous terrain, necessitating extensive tunneling for construction. While a new line is underway to connect Rangpo, travelers currently reach the Himalayan state via train or air to nearby hubs, followed by road journeys.