A Person Accused of an Offence Wants to Engage a Counsel

A person accused of an offence wants to engage a counsel of his choice for his defence. According to the provisions of the Indian Constitution

A) he is not entitled as of right to engage a counsel of his choice
B) he can engage only a counsel approved by the court
C) he has a Constitutional right to engage a counsel of his choice
D) he can engage his own counsel but his counsel must be approved by the court