Consider the following statements related to Indigo revolt (1859-60):-
1. Indigo revolt took place in Gujarat.
2. As the result of the revolt Government issued a notification in favour of British planters.
3. Bishnucharan Biswas and Digambar Biswas first led the rebellion against the planters.
4. They used method of social boycott.
Which of the following statements are correct?