Consider the following statements regarding Flue Gas Desulphurisation (FGD)
1. FGD is equipment meant to reduce sulphur dioxide emissions from coal-fired plants.
2. As of 2025, almost half of the India’s thermal power plants have installed FGD systems.
3. The initial deadline for FGD installation was extended multiple times and is now set between 2027 and 2029.
Which of the above statements are correct?