Consider the following subjects with regard to Non-Cooperation Programme:
I. Boycott of law-courts and foreign cloth
II. Observance of strict non-violence
III. Retention of titles and honours without using them in public
IV. Establishment of Panchayats for settling disputes
How many of the above were parts of Non-Cooperation Programme?
1
Only one
2
Only two
3
Only three
4
All the four