30 July 2011
Deferred tax is the calculation of tax difference between IT profit and actual profit. MAT is the calculation of Income tax calculation where the situation arise the loss as per books but profit as per book profit under the Income tax act
Depreciation rates specified by the companies act is minimum rates prescribed by the act. so what ever you are providing depreciation should not be less then that
Depreciation rates provided in the Income tax act is the maximum permissible rate so depreciation claim should not be more than that