Hi Manas, if you replace also with and, this would not be a complete sentence.
The structure would then be like this:
The knife that cuts apples and cuts mangoes.
Clearly, this is not a complete sentence. We can fix this as:
The knife that cuts apples, also cuts mangoes.
The structure would then be like this:
The knife that cuts apples and cuts mangoes.
Clearly, this is not a complete sentence. We can fix this as:
The knife that cuts apples, also cuts mangoes.
