Under which conditions can a company declare or pay dividends for a financial year as per the Companies Act?

Section 123.Declaration of dividend: (1) No dividend  shall be declared or paid by a company for any financial year except— (a) out of the profits of the company  for that year arrived at after providing for depreciation in accordance with the provisions of sub-section (2), or out of the profits of the company for any previous financial year  or years arrived at after providing for depreciation in accordance with the provisions of that sub-section and remaining undistributed, or out of both; Provided that in computing profits any amount representing unrealised gains, notional gains or revaluation of assets and any change in carrying amount of an asset or of a liability on measurement of the asset or the liability at fair value shall be excluded; or (b) out of money provided by the Central Government or a State Government for the payment of dividend by the company in pursuance of a guarantee given by that Government.