Complex sentence: The channel was launched in the year 2003 is a sister channel of the Hindi Aaj Tak news channel and is one of the four news channels from the TV Today Network stable other than Aaj Tak, Tez and Delhi Aaj Tak.
Split into simpler sentences: The channel was launched in 2003 as a sister channel of the Hindi Aaj Tak news channel. It is one of the four news channels from the TV Today Network stable, the others being Aaj Tak, Tez and Delhi Aaj Tak.