The Income Tax Settlement Commission has levied a penalty of nearly Rs 57 crore on Congress spokesman Abhishek Manu Singhvi after the Rajya Sabha MP failed to furnish documents supporting his claims of expenditure for running his office. Abhisek Manu Singhvi is in a spot of bother with tax authorities after his claim of termites ate expense vouchers was discredited, BJP has wasted no time to attack the Congress spokesperson.