Solution:Following are the steps involved in computation of Book profit under MAT regime :-
• Arrive NP as per statement of P/L A/C of the company.
• Adjust the book profit with stipulated exclusion and inclusion.
• Specific adjustments in case of merger.
• Make adjustments pertaining to OCI items.
• Net amount of Book profit for application of MAT rate.
MAT stands for Minimum Alternate Tax, As per section 115 JB, every taxpayer being a company is liable to pay MAT, if the Income tax (including surcharge and cess) payable on the total income, computed as per provisions of the Income tax Act in respect of any year is less than 15% of its book profit + surcharge (SC) + health & education cess.