In questions given below, a sentence is given which is divided into FIVE parts such that the parts are jumbled and do not make a meaningful sentence. Only the part in bold is in its correct place. Rearrange the remaining parts to form a grammatically correct and meaningful sentence and choose the correct rearrangement from the options given below each question. In the mid-sixties, (a)/  domestic agricultural production (b)/that could not be solved through trade, (c)/a concerted effort was made to raise (d)/ when India was facing food shortage (e).