Step 1: Identify dates of events.
To arrange chronologically, we must recall the years in which these events occurred.
Step 2: List events with years.
• Champaran Satyagraha – 1917
• Kheda Satyagraha – 1918
• Rowlatt Act – 1919
• Jallianwala Bagh Incident – 1919 (after Rowlatt Act)
Step 3: Arrange in order.
\( \text{Champaran} \rightarrow \text{Kheda} \rightarrow \text{Rowlatt Act} \rightarrow \text{Jallianwala Bagh} \)
Step 4: Match with options.
This corresponds to:
\( \text{I} \rightarrow \text{II} \rightarrow \text{IV} \rightarrow \text{III} \)
Step 5: Conclusion.
Hence, the correct chronological order is option (B).
Final Answer: I, II, IV, III.
Two statements are given below as Assertion and Reason (R). Read them carefully and choose the correct option.
Assertion : Harappa was a well-planned city.
Reason (R): It had a well-planned drainage system.
Match Column-I with Column-II and choose the correct option: 
On the Upanishads Here are two verses from the Chhandogya Upanishad, a text composed in Sanskrit c. sixth century BCE:
The Nature of the Self
This self of mine within the heart, is smaller than paddy or barley or mustard or millet or the kernel of a seed of millet. This self of mine within the heart is greater than the earth, greater than the intermediate space, greater than heaven, greater than these worlds.
The True Sacrifice
This one (the wind) that blows, this is surely a sacrifice. . . . While moving, it sanctifies all this; therefore it is indeed a sacrifice.