Indian Engineering Services (IES/ES) are the Technical Services that meet the technical and managerial functions of the Government of India. Government spending comprises more than 15 percent of India's GDP. Given the extent of tasks and functions managed by the public sector this extends to a fairly broad segment of the economy covering the Railroads, Military, Public works, Power, Telecommunications, etc.^[1]
Like in most countries, the Government of India recruits its civil servants and officials on the basis of merit. The middle management positions in the bureaucracy are filled through competitive exams. Large number of people take these exams competing for limited seats. Some seats are Reserved in India for the underprivileged sections of society.
A combined competitive examination is conducted by the Union Public Service Commission (UPSC); for recruitment to the Indian Engineering Services (IES).
The test is conducted in June every year at centres across India, namely: Agartala, Ahmedabad, Aizwal, Allahabad, Bangalore, Bareilly, Bhopal, Chandigarh, Chennai, Cuttack, Delhi, Dharwar, Dispur (Guwahati), Gangtok, Hyderabad, Imphal, Itanagar, Jaipur, Jammu, Jorhat, Kochi, Kohima, Kolkata, Lucknow, Madurai, Mumbai, Nagpur, Panaji (Goa), Patna, Port Blair, Raipur, Sambalpur, Shillong, Simla, Srinagar, Thiruvananthapuram, Tirupati, Udaipur, Ranchi (Jharkhand) and Vishakapatnam.
Recruitment to Group - A Services / Posts and Group - B Services / Posts are made under the following categories of Engineering:

• CATEGORY I - Civil Engineering
• CATEGORY II - Mechanical Engineering
• CATEGORY III - Electrical Engineering
• CATEGORY IV - Electronics & Telecommunication Engineering.

Preparation for this exams needs previous years question papers  the below link gives quwstion papers from 1980-2009 ..................

http://www.ziddu.com/download/9465298/IESQuestionpapersforcivilMechEEEECE1982-2009.rar.html

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