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COAL QUALITY
Focusing on quality of coal currently: Anil Swarup, Coal Secretary18 Nov, 2015, 12.20 PM IST- Delhi's air quality worsens, fog disrupts air and rail traffic18 Jan, 2019, 08.02 PM IST
- Coal quality has significantly changed from last three years: Piyush Goyal21 Sep, 2017, 08.36 PM IST
- Coal quality has significantly changed from last three years: Piyush Goyal21 Sep, 2017, 08.33 PM IST
- Delhi pollution: Air quality panel bans use of coal in Delhi NCR from 202308 Jun, 2022, 07.21 PM IST
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