Revenue Secretary Hasmukh Adhia said that a reduction in corporate tax is a challenge and cannot be done unless there is an increase in share of personal income tax. Speaking at a post-Budget interaction held by FICCI in New Delhi, Mr Adhia said, the biggest challenge is to increase the share of the personal income tax in the total kitty which is abysmally low. He also said, the profile of personal income tax payments does not match with the consumption profile. Mr Adhia wondered how is it possible that out of only 76 lakh people showing income of more than 5 lakh rupees in the country where 56 lakh are salaried people. He said, this is a big challenge. Mr Adhia has also said, the penalty for doing cash transaction will be steep and the receiver will have to pay an amount equivalent to the cash received. In a bid to check generation of black money, a steep penalty awaits those accepting cash in excess of 3 lakh rupees, beginning April 1, to settle anytransaction. A ban on cash transaction of more than 3 lakh rupees has been proposed in the Budget for 2017-18. In an interview to PTI, Mr Adhia said, a person doing a transaction of 4 lakh rupees in cash, then the penalty will be 4 lakh rupees which will be levied on the receiver. He said, the government, will track all large cashtransactions, and also curb the avenues of conspicuous consumption through cash.