Step 1: Understanding Section 15 of CPC:
Section 15 of the Civil Procedure Code (CPC) lays down the rule that every suit shall be instituted in the court of the lowest grade competent to try it. The purpose is to ensure that higher courts are not burdened with cases that can be handled by lower courts.
Step 2: Objective Behind the Provision:
This section promotes judicial efficiency and proper utilization of judicial hierarchy. It helps in reducing congestion in higher courts and ensures that cases are dealt with at the appropriate level of authority.
Step 3: Final Conclusion:
Therefore, the correct answer is (B) The court of the lowest grade, as per Section 15 of the CPC.