ACD Review -- Review for 2015-16 -- Consumer’s category changed in 2015-16 after the review -- Consumer agitating that the ACD review should take his changed category into account -- Held not valid -- In the meantime yet another period for ACD review coming into force -- ACD likely to be lowered in view of the changed category -- No point in collecting ACD for a bygone period -- However, consumer liable to pay surcharge on the ACD amount not paid by him till the day he pays the new ACD that is assessed on him.