JUDGMENT : 1. The respondents who have failed to answer and file their replies should file their replies in a time bound manner. 2. The respondents are directed to consider low cost waste sanitization option. That may be required to file an affidavit in reply within four weeks, stating whether this Bio-treatment method can be implemented. In the event that the answering respondents find that the proposed Bio-treatment method is unfeasible or other scientific waste disposal method is more appropriate then the answering respondent is directed to set out reason and conclusion for the same. 3. The respondents are directed to include in their affidavits a time bound scheme for implementation of scientific and hygienic methods of waste disposal. 4. The respondents are directed to seek expert advice in respect of mosquito, flies and other Vectors Control. 5. The respondents are directed immediately to take DDT and BHG and similar dangerous insecticides on garbage dumps and dump sites. 6. The Central Pollution Control Board and all State Pollution Control Boards should ensure compliance of the provisions of the Water (Prevention and Control of Pollution Act, 1974, by everyone including the local bodies. 7. The respondents are also required to file affidavit of compliance of these directions within eight weeks. 8. List on 22nd September, 1997.