Read the given statement and conclusions carefully and decide which of the conclusions logically follow(s) from the statement.
Statement:
A police officer receives a complaint that an MP of his district is taking bribes in order to facilitate some work.
Conclusions:
I. The police officer should try to investigate the matter and catch the MP red-handed.
II. The police officer should wait for some more complaints and then catch the MP red-handed.

​Statement:
A police officer receives a complaint that an MP of his district is taking bribes in order to facilitate some work.
​Conclusions:
I. The police officer should try to investigate the matter and catch the MP red-handed. (Follows)

A complaint does not prove guilt, but it is the duty of the police officer to investigate.
II. The police officer should wait for some more complaints and then catch the MP red-handed. ( Does not follow)

A police officer should not wait for multiple complaints before taking action. If there is a credible complaint, an immediate investigation is necessary.​​

So, Only conclusions I follows.

Thus, the correct answer is (a).