Union Minister of Science and Technology and Earth Sciences, Dr. Harsh Vardhan has said that there is a need for new mechanism for cleanliness. In an exclusive interview to All India Radio, the Minister said science has to become an important tool to help people. <br/>Dr. Harsh Vardhan said Indian scientists in the meteorology department are among the best and our department is comparable to any best service in the world.<br/><br/>The full text of the interview with the Minister can be heard in our Countrywide programme tonight from 9.30 p.m. on FM Gold channel and additional frequencies.