S. 22 : Income from house property-Co-owner-Joint owenership-Annual letting value-No specification of their respective shares in deed-Mere signing of instrument of conveyance by an individual does not raise any presumption of income being assessed in hands of such individual-Order of Tribunal affirming the Annual letting value at 8 per cent of cost of property was deleted. [S. 23(1)(a), 26,27, 260A]