For admission to the above examination, a candidate must have (any one of the following:

• Obtained a degree in Engineering from a University incorporated by an Act of the Central or State Legislature in India or other Educational Institutions established by an Act of Parliament or declared to be deemed as Universities under Section 3 of the University Grants Commission Act, 1956; or
• Passed Section A and B of the Institution Examinations of the Institution of Engineers (India); or
• Obtained a degree/diploma in Engineering from such foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time, or
• Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India); or
• Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India; or
• Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November, 1959.

Yes you are eligible if you are pursuing btech in any branch.

Rest eligibility you can check here: IES Eligibility

Good luck!

IES ( Indian Engineering Services).

Indian Engineering Services comprise of engineers who work under the government of India and designated as Class – 1 officer. They administer a large segment of the public sector economy, which constitutes of Indian Railways, Power, Telecommunications, Central Water engineering, Defence service of Engineers, Central Engineering Service, etc. The nature of work performed by these bureaucrats largely depends on their engineering branch and the service or cadre they are recruited in.

You can not apply for IES exam from biotechnology.

The recruitment of qualified candidates is made under the following categories:

• Electronics & Telecommunication Engineering
• Electrical Engineering
• Mechanical Engineering
• Civil Engineering