AO had discretionary powers to determine value of property under rule 3 or rule 8 for wealth tax pur

WT: Assessing Officer has discretionary power to determine whether rule 3 or rule 8 is applicable to a particular case; and if Assessing Officer is of opinion that it is not practicable to apply rule 3, Assessing Officer can apply rule 8 and value of asset could be determined in manner laid down in rule 20 or section 16A