Book Closure clause-16-31-03-2015 reg-42-31-03-2016 reg-42-31-03-2017 reg-42-31-03-2018 reg-42-31-03-2019 REG-42-WINY – BSE-31-03-22 REG-42-2023-24-BSE-WINY REG-42-2023-24-CSE-WINY