Ladakh 4 days itinerary

Reach by flight from Delhi to ladakh
Checkin at the hotel.
Take rest and give yourself time to acclimatize to the ladakh environment as it is very important and mandatory by govt. For your health. After taking  rest you can explore leh city on day 1 dikshit monastery, Rancho school, Shanti stupa etc other nearby areas.
And leh market