The Punjab government has built toilets for 33 lakh rural families as the state aims to become the first in India to be free from open defecation.The Punjab government has constructed toilets for 33 lakh rural families under the ambitious Swachh Bharat Abhiyan, which has elimination of open defecation as one of its objectives,” a state government spokesman said here.The toilets have been constructed with a budget of Rs.937 crore.