Complex sentence: Sarai Kale Khan is a historic locality, close to the Hazrat Nizamuddin Railway Station, Delhi, most known for the Sarai Kale Khan Inter State Bus Terminal.
Split into simpler sentences: Sarai Kale Khan is a historic locality, close to the Hazrat Nizamuddin Railway Station, Delhi. Today it is most known for the Sarai Kale Khan Inter State Bus Terminal.