The correct chronological order of the given places in terms of sunrise time is option 2: 2-1-4-3.

To understand why this is the correct order, let`s analyze each option:

1. Option 1: 3-2-1-4

This option suggests that Agartala (3) has the earliest sunrise, followed by Imphal (2), Itanagar (1), and Aizawl (4). However, this is incorrect because Agartala is located in the easternmost part of India and therefore, it experiences the earliest sunrise, followed by Imphal, Itanagar, and then Aizawl.

2. Option 2: 2-1-4-3

This option is the correct chronological order. Imphal (2) is located to the east of Itanagar (1) and experiences sunrise before Itanagar. Aizawl (4) is located further west than Itanagar, so it experiences sunrise after Itanagar. Agartala (3) is located furthest east among the given places and therefore, experiences the earliest sunrise.

3. Option 3: 1-4-3-2

This option suggests that It