With which of the following objectives was Praja Mandal established in Dehradun ?
1) To get freedom from British Rule
2) To get freedom from Gorkha Rule
3) To organise people for social work
4) To get freedom for the people of Tehri Gadhwal State from the rule of King of Tehri
4) To get freedom for the people of Tehri Gadhwal State from the rule of King of Tehri