Doctors, engineers and former senior managers who used to work overseas -these professionals formed the biggest chunk of those who made use of the 90-day grace period for the declaration of unaccounted wealth. The total amounted to Rs.4,147 crore, the government said on Friday, still below the expectations of experts.There's no split available on how much these individuals accounted for but they dominated in terms of number of filings, exceeding those by companies, trusts and Hindu Undivided Families, said officials who didn't want to be named. But some of these declarations may have been made because of fear and confusion, said tax advisors. The individuals wanted to play it safe, preferring to pay 60% in combined taxes and penalties, rather than getting entangled in the harsh new law on black money . One of them was a senior executive who was posted abroad. “I had advised him to just go to the income tax department and declare the assets as the money earned was through le