S. 292BB : Notice of demand to be valid in certain circumstances-Notice under section 142(1) at its email ID-notices were sent to assessee at email address as available at website of MCA-Participated in inquiry relating to assessment-Precluded from raising any objection that notice was not served or was served in an improper manner-The provisions of section 292BB would be applicable-Petition was dismissed. [S. 142(1), 143(3), 282(2), ITATRules,127, Art. 226]