In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Rasayana's are the blends of tonic, metals, fruits, (1)/ gums and have specific methods of production (2)/ which included the time of gathering. (3)/ No error (4)

Answer

3

Explanation

It is a general process. Hence, Present Simple 1.e. which include (plurall the time of gathering. ......should be used here.