Multiple choice Voluntary Disclosure of Income Scheme (VDIS) became operative between 1.4.93 to 31.12.93 1.4.94 to 31.3.95 1.7.96 to 31.3.97 1.7.97 to 31.12.97 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Voluntary Disclosure of Income Scheme (VDIS) was introduced in the 1997 budget and remained operative from July 1, 1997, to December 31, 1997.