Complex sentence: By 2006, the Zee Network already had a strong presence in northern, eastern and western India, with channels in Bengali, Gujarati, Marathi, and Punjabi; its proposed Telugu-language channel marked the network's first venture into the southern India entertainment market.
Split into simpler sentences: By 2006, the Zee Network had a strong presence in northern, eastern and western India, with channels in Bengali, Gujarati, Marathi, and Punjabi. Its proposed Telugu-language channel marked the network's first venture into the southern India entertainment market.