NEW DELHI: The Union home ministry on Thursday said some rules such as wearing face masks, practising social distancing and no gathering of five or more persons should be strictly enforced at public places in order to ensure that the lockdown clamped to contain the spread of coronavirus is implemented effectively.In her daily briefing to the press, Joint Secretary in the ministry Punya Salila Srivastava said it should be ensured that five or more persons do not assemble at a public place.Also, no spitting should be practised at public places and workplaces , she said.Elderly people, those who are not keeping well and those with young children should be encouraged to work from home and temperature screening as well as use of hand sanitisers should be made mandatory at workplaces, Srivastava said.More on Covid-19She added that the sale of liquor, gutkha and tobacco should be banned to ensure that the lockdown is implemented effectively.