Answer
The phrase Sultanat-e-Shah Alam, Az Dilli ta Palam implies the extent of Shah Alam II's empire with his weakened power. It means the empire of Shah Alam II, from Delhi to Palam. This phrase was used by Shah Alam II himself to refer to his empire. It was a time when the Mughal Empire was in decline and Shah Alam II's power was limited to Delhi and its surrounding areas.