Read more about Ion Exchange hits record high after Q4 PAT spurts 144% YoY on Business Standard. Ion Exchange (India) hit an upper circuit of 20% at Rs 2,036.20 after the company's consolidated net profit jumped 144.2% to Rs 70.48 crore on 26.8% rise in net sales to Rs 445.15 crore in Q4 March 2021 over Q4 March 2020.