IES Answer Key 2017 of the Engineering Services Examination can be checked here. Answer key of IES 2017 is published for all sets of Mechanical Engineering.
Name of exam: UPSC Engineering Services Examination (ESE) 2017,
Date of exam: 08 Jan 2017
Subject: Mechanical Engineering (ME)
These keys may vary from the official answer keys. However, as the Commission may publish the UPSC IES Answer Key 2017 after several weeks, you can refer to the unofficial keys in the meantime.