Yes. M.Sc electronics can appear for IES exam and you can become IES service man
ESE exam is conducted in 4 streams of Engineering only.
Civil Engineering.
Electrical Engineering.
Electronics & Telecommunication Engineering.
Mechanical Engineering.
These are the eligibility criteria for ESE exam.
P rovided that a candidate for the post of Indian Naval Armament Service (Electronics Engineering Posts and Engineer Group 'A' in Wireless Planning and Coordination Wing/Monitoring Organization) may possess any of the above qualifications or the qualification mentioned below namely: http://M.Sc (http://m.sc/) . degree or its equivalent with Wireless Communication, Electronics, Radio Physics or Radio Engineering as a special subject.
Pursue M.Sc. in Data Science from Manipal Online.
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