Step 1: Understanding the Question.
Plea bargaining is a process where the accused pleads guilty to a lesser charge in exchange for a lighter sentence. However, it is not applicable in cases where the offence is committed against a child below the age of 18, as the child's rights need to be fully protected under law.
Step 2: Analysis of Options.
- (A) 12 years: Plea bargaining is not applicable for cases involving children below 18 years of age, not 12 years.
- (B) 14 years: This is incorrect, as plea bargaining is not applicable for offences involving children under 18.
- (C) 16 years: This is incorrect for the same reason as above.
- (D) 18 years: This is the correct answer, as the protection of minors under 18 is paramount, making plea bargaining unavailable in such cases.
Step 3: Conclusion.
Thus, the correct answer is (D) 18 years.