Explanation:

Correct option 1: 4

?As announced in the Union Budget for the financial year 2022–23, the Government of India planned to set up four pilot projects for coal gasification. These initiatives aim to evaluate the technical and financial viability of converting coal into chemicals required for industry. ?

The four pilot projects are:?

Eastern Coalfields Limited (ECL) – Bahadurpur, Sonepur Bazari Mine

South Eastern Coalfields Limited (SECL) – Bhatgaon Area, Mahamaya Mine

Western Coalfields Limited (WCL) – Juna Kunad, Niljai Mine

Coal India Limited (CIL) & Bharat Heavy Electricals Limited (BHEL) – Location to be finalized

These projects are part of India's broader strategy to promote cleaner and more efficient use of coal resources, aiming to gasify 100 million tonnes of coal by 2030.