Complex sentence: Jammikunta railway station is along one of busiest rail routes in India, namely the Grand Trunk Railway line, which connects the southern metropolis Hyderabad, Chennai and Bangalore to India's northern cities.
Split into simpler sentences: Jammikunta railway station is along one of busiest rail routes in India, namely the Grand Trunk Railway line. It connects the southern metropolis Hyderabad, Chennai and Bangalore to India's northern cities.