Question

Vijay said to his friend "who is participating in the debate tomorrow

Answer 1

here is your answer

Vijay asked his friend who was participating in the debate the next day .

hope this will help you

Answer 2

Vijay asked his friend that who were participating in the debate the next day / the following day.

U can either write the next day or the following day....n keeping 'The' is a must..it's a rule.

Hope it helps...

Plzz mark bainliest