………. is the first Indian state which has made rooftop rainwater harvesting compulsory to all houses.

  1. Karnataka
  2. Tamil Nadu
  3. Maharashtra
  4. West Bengal 

Answer;

So, the correct option is (B): Tamil Nadu.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.