I said, 'Do it.' বাক্যের Indirect Speech হচ্ছে-
I ordered to do it.
I said to do it.
I said that it should be done.
I said that let it be done.
The antonym of 'Indifference' is --
anxiety
concern
compassion
ardour
A synonym for 'Mischievous' is-
Vicious
Kind
Serious
Well-behaved