The Centre has launched Swachh Survekshan Gramin to encourage states and districts to improve sanitation coverage and solid liquid waste management. Launching this in New Delhi, Rural Development Minister Narendra Singh Tomar said, toilet usage have increased to 91 per cent in the country whereas overall toilet coverage in rural India has reached to 66 per cent. <br/><br/>Mr Singh said, all districts of the country will be ranked under the Swachh Survekshan Gramin on the basis of performance, sustainability and transparency. So far, 4,600 villages and 1.4 lakh households have been covered under Swachh Sarvekshan (Gramin) Survey. <br/><br/>Mr Tomar informed that 160 districts have been declared Open Defecation Free (ODF) and more than 2.2 lakh lakh villages are ODF so far. Replying to media query, Mr Singh said, given the progress, the country will achieve the goal of swachh bharat by 2019.