2.According to the appellant, they are one of the largest growers of white button mushrooms in the state of Tamil Nadu and has a state-of-the-art growing facility and sells its edible white button mushroom to various markets across Tamil Nadu. For the assessment year 2018-19, they filed its return of income reporting the taxable income of Rs.72,19,470/- along with the claim of Rs.11,44,54,027/- representing the agricultural income derived from cultivation and sale of white button mushrooms, which was exempted from taxation under section 10(1) of the Income Tax Act. Upon scrutiny of the same, they were issued with a show cause notice dated 28.09.2019 under section 143(2) of the Act, pursuant to which, the appellant filed its response on 06.10.2019. Thereafter, they were served with a show cause notice-cum- draft assessment order dated 22.04.2021 proposing to determine the total taxable income at Rs.28,05,99,730/- by granting one day time to respond within 23.59 hours of 23.04.2021, to which, the appellant filed its reply on 23.04.2021. Subsequently, they were issued with a show cause notice-cum-modified draft assessment order dated 21.09.2021 calling upon them to respond by 23.59 hours of 22.09.2021, in and by which, the course of assessment was changed by restricting the turnover from sale of white button mushroom to Rs.1,87,77,400/- out of the turnover reported in the books of Rs.41,22,05,594/- and proposing to treat the balance amount of Rs.39,40,28,194/- as income under section 69A as unexplained money. The appellant filed its reply to the same on 22.09.2021. Ultimately, the first respondent passed the assessment order on 23.09.2021 adopting the modified draft assessment order along with demand notice quantifying the tax payable by the appellant at Rs.43,82,99,580/-. Challenging the same, on the ground of violation of principles of natural justice, the appellant filed WP.No.22071 of 2021, which by order dated 22.10.2021, was dismissed by the learned Judge, holding that there is an efficacious and alternative remedy of statutory appeal available to them under section 246A of the Income Tax Act. Aggrieved over