Reversal of Tax

dear sir,
2018-19 ka reconciliation karte samay August 2019 mein 2018-19 key unreconciled values dalne ke vajah 2018 19 ki full amount galti se Dali gai aur yah values abhi pure sal ka turnover bhi agar calculate karte Hain to bahut jyada taxable turnover chala gaya hai aur aur agar September aur aage sabhi returns bhi agar Neel dalen tu bhi e ya taxable turnover aur output tax reverse nahin kar payenge tu is output tax ko kaise reverse kiya jaaye

please suggest its urgent