Find the error in the given sentence.
The discreet enquiry revealed (1)/ that his involvement in (2)/ the fraud cases have been more than (3)/ what was first guessed. (4)/ No error (5)

Answer

3

Explanation

have been की जगह had been का प्रयोग होगा | principal clause Past Tense में है इसलिए subordinate clause भी Past Tense में होगा।