According to the Central Ground Water Board, BIS (IS_10500 and revised module IS 10500:2012) specifications in Uniform Drinking Water Quality Monitoring Protocol, what is the acceptable pH value of drinking water specification in India?

A

6.5 - 8.5

B

5.5 - 7.5

C

4.5 - 9.5

D

3.5 - 5.5