You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is COPRA came into action on: and explain in detail?
CONSUMER PROTECTION ACT
(CPA/COPRA) 
The Consumer Protection Act, 1986 that came into force on 15th April, 1987 is a milestone in the history of socio-economic legislation in the country. It is one of the most progressive and comprehensive pieces of legislation enacted.
Essentials of preventive and community dentistry
Soben Peter
5th edition