Pollution & Treatment Controls ION EXCHANGE (INDIA) LTD (IONEXCHANG) Q1 FY23 Earnings Concall Transcript 2 years ago ION EXCHANGE (INDIA) LTD (NSE: IONEXCHANG) Q1 FY23 Earnings Concall dated Aug. 04, 2022 Corporate Participants: Anuj Sonpal -- Investor Relations Vasant…