F and O loss carry forward Request for opinion

Hello ..In F and O transactions, there is a loss of 1 Lakh rupees. To carry forward the same, tax audit is compulsory? Turnover 1.2 Crore..pls confirm. How if I go for presumptive taxation and don't go for presumptive taxation ?

How to disclose in IT return?

I have another business where disclosing through presumptive taxation and the turnover is 6 lakhs rupees..This is the first year where I am opting for presumptive taxation for this another business..