Apart from Rule to make active voice of Present Perfect Tense, which is
Passive subject + has/have + been + third form of verb + by + passive object
Please also note that words like, "someone", "somebody", "people", "police", "public" etc are dropped. But in rare cases we can use them if sentence meaning is not clear.
4. Sahil sharma makes tea.
Tea is made by Sahil sharma.
Tea is made by the Sahil sharma.
Tea was made by Sahil sharma.
Tea has made by Sahil sharma.
Answer: Option A
Explanation:
Note : Rule to make active voice of Simple present sentence :
Passive subject + is/are/am + third form of verb + by + passive object.