About Kigali amendment: 

It is a legally binding agreement between the signatories. And, there are non-compliance measures to ensure its implementation. 

It sets different targets for countries depending upon the states of development, different socio-economic constraints, and varying technological and scientific capacities. 

The Kigali Agreement upholds the principle of Common but Differentiated Responsibilities and Respective Capabilities. 

The agreement classifies the signatory parties into three as per the phase-down schedules to freeze and reduce the production of HFCs. 

• The first group consists of developed countries, led by the US and the European Union countries, that would have started the phase-down of HFCs by 2019, and reduce the level to 15% of 2012 level by the year 2036. 
• The second group consists of developing economies such as China, Brazil, and also some African States that will start the phase-down by 2024 and decrease it to 20% of 2021 levels by the year 2045. 
• The third group (in which India is placed) consists of developing economies and also some of the hottest nations, that will start the phase-down by 2028 and reduce the level to 15% of 2024-26 levels by the year 2047. Examples: Pakistan, Iran, Saudi Arabia 

Source: Article