As per IS 10500:2012, for drinking water in the absence of alternate source of water

Q. As per IS 10500:2012, for drinking water in the absence of alternate source of water, the permissible limits for chloride and sulphate, in mg/L, respectively are

(A) 250 and 200         (B) 1000 and 400        (C) 200 and 250         (D) 500 and 1000

Ans: 1000 and 400