The CBI on Tuesday, March 13, filed a disproportionate assets (DA) case against Jharkhand's principal commissioner of Income Tax Tapas Kumar Dutta for allegedly amassing assets worth Rs 9.78 crore, which is 964% more than his known sources of income Dutta was raided and arrested in July 2017 by CBI in a separate corruption case where it was found that he and other I-T officers were taking a huge bribe for favouring income tax assesses. The CBI has alleged in its latest FIR that Dutta, while working as commissioner/principal commissioner, Income Tax Ranchi/Hazaribagh between 2012 and 2017, acquired assets - movable and immovable - to the tune of Rs 9,78,61,271 in his name and in the name of his family members, which are disproportionate to his known sources of income for which he cannot satisfactorily account for. Dutta, CBI says, belongs to an ordinary family background and his wife - Ruparna Dutta - is a housewife. CBI says that the assets will possibly increase when his telephone bills, daughter's wedding, medical expenses, electricity charges, pleasure trips, children's education, maintenance and insurance and car will be computed.