"has done" should be changed to "have done." After "who," the verb should agree with the subject "I," so "have" is the correct form. The improved sentence is “Do you know that it is I who have done this piece of beautiful work?”
In which districts of Uttar Pradesh, flowers are used to produce scents and perfumes?
Who were appointed as new members of the Central Board of Direct Taxes (CBDT) by the Appointments Committee of the Cabinet in July 2024?
Which organization announced to purchase the 43.3% stake in Tejas Network?
______ country has become the largest producer and exporter of sugar in the world.
Which of the following is a pension fund offered by the government?
Recently Air India has introduced a new policy which will give an extension of service to its selected pilots for how many years?
The first hydrogen fuel-powered train in India is scheduled to operate along which route?
Which organization granted a loan for a 400-megawatt solar power plant in Gujarat?
In Uttar Pradesh, 'Kisan Bahi Yojana' was started in the year?
Nikhat Zareen from _______ state wins gold medal in Women's World Championship 2022 in Istanbul, Turkey.
