IBPS PO Prelims 12 Oct 2019 Solved Paper

In the following sentence, some parts have errors and some are correct. Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer.
The challenge before India is (1)/ to deepening the tactical (2)/ engagement with China (3)/ keeping strategic glitches at bay (4)/. No error.