1. Lack of political willpower. It is still not considered to be a very high priority thing by those in power, and even the people who live in the region.
2. Again, due to politicians, bureaucracy, and their corruption. Example -
> In two years, Delhi (state govt^) spent Rs 68 lakh on stubble decomposer, Rs 23 crore to advertise it [0]
> ‘No other option’ — as its fields turn black & skies smoky, why Punjab won’t stop burning stubble [1]
[0]: https://www.newslaundry.com/2022/05/11/in-two-years-delhi-go...
[2]: https://theprint.in/agriculture/no-other-option-as-its-field...
^: Not in the original article headline