The Middle East is the region closest to India in flight time and most varied in what it offers. Dubai is the gateway the region is known for — and is better used as a gateway than a destination, which is an honest thing to say about a city that has more to offer than that reputation suggests. Oman is the Gulf that kept itself, low-rise by law, frankincense in the air, the Hajar Mountains two hours from Muscat. Jordan is the Petra you have known about since childhood and a desert that Lawrence called godlike, reachable on a four-night trip from Delhi.
The practical advantage of the Middle East from India is unmatched: most destinations are under five hours by flight, most offer easy or free entry for Indian travellers, and the hotel infrastructure — particularly in Dubai and Abu Dhabi — is among the deepest in the world. The Gulf combination (Dubai and Oman, or UAE and Jordan) is one of the most efficiently designed short-international trips possible, giving two genuinely different experiences inside a single trip.