Question

The ban on the use of plastic bags by the Delhi government was imposed in
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Answer 1

Answer:

On 1st January,2017 Delhi government ban plastic bag

Answer 2

National Green Tribunal has directed an interim ban on non-biodegradable plastic bags of less than 50 microns in NCT Delhi. ... In an order dated December 2, 2016, NGT had banned the use of plastic carry bags of less than 50 microns and plastic crockery in Delhi-NCR with effect from January 1, 2017.