Both phrases are grammatically correct, but they convey slightly different meanings:
"Mike was made to clean his room" implies that someone in the past forced or instructed Mike to clean his room.
"Mike is being made to clean his room" implies that someone is currently forcing or instructing Mike to clean his room.
Both phrases are grammatically correct, but they convey slightly different meanings:
"Mike was made to clean his room" implies that someone in the past forced or instructed Mike to clean his room.
"Mike is being made to clean his room" implies that someone is currently forcing or instructing Mike to clean his room.