Each item in this section has a sentence with three underlined parts, labelled as (a), (b) and (c). Read each sentence to determine whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

(a) Although there is virtually no production in India, (b) the Encyclopaedia Britannica estimate (c) that India has perhaps the largest accumulated stocks of silver in the world. (d) No error.