Step 1: Understanding the Question:
We must put four events of early Mughal history in order of time, from earliest to latest.
Step 2: Key Fact to Recall:
Babur came to India and won at Panipat in 1526. Humayun lost his throne to Sher Shah and went to Persia around 1544. He returned in 1555 with Mir Sayyid Ali and Abdus Samad. Akbar then built a large royal atelier.
Step 3: Check option (1).
Option 1 puts A first, but Humayun could not take refuge in Persia before Babur came to India. So it is wrong.
Step 4: Check option (2).
Option 2 puts D first, but Humayun could not return before he went to Persia, and Babur must come first. So it is wrong.
Step 5: Check option (3).
Option 3 gives B, A, D, C. Babur came (1526), Humayun fled to Persia (1544), returned with artists (1555), then Akbar set up the atelier. This is the right order. So option 3 is correct.
Step 6: Check option (4).
Option 4 puts Akbar's atelier first, which is impossible because Akbar ruled after Babur and Humayun. So it is wrong.
Final Answer:
The correct order is B, A, D, C, which is option 3.