Direction: Spot the grammatical errors in the given sentence. Mark the part with error as your answer. If there is no error, mark "No error" as the answer. (Ignore punctuation error)

The finding may help doctors (a)/ to give more personalised care to patients (b)/ and to modify the amount of powerful drugs (c)/ administered over their patients. (d)/ No error (e)

[CENTRAL BANK OF INDIA (PO), 2010]