Full Judgment
3. I do not think it necessary to go into the exact function of the com-, pressor or whether it was used for bringing about any change in any substance. The reason for this is that it is not disputed that air compressor was part of the assessee's plant for producing electric batteries. It would, therefore be a component of a plant and hence entitled for Modvat credit under Sub-clause (b) of the Explanation to Rule 57Q(1). I decline to interfere.