Complex sentence: During his reign a large narrow gauge railway network was set extended to Becharaji and many other places in Baroda State with Dabhoi at its focal point, a network that still is the largest narrow gauge railway network in the world.
Split into simpler sentences: During his reign, a large narrow gauge railway network was set, which extended to Becharaji and many other places in Baroda State, with Dabhoi at its focal point. The network still is the largest narrow gauge railway network in the world.