Itr filing

sir in f.y. 2013-14 my total receipts was rs. 950000 and i file n.p. rate @ 32% but in f.y. 2014-15 my total receipts was rs. 2450000 and i file itr @ n.p. rate 11%. I want to ask you is there any issue because of decreasing of n.p. rate from 32% to 10%