You can apply for both Indian administrative service exam and Indian engineering service examination after passing B tech degree course .

Indian administrative service exam and Indian engineering service examination are organized by UPSC one time in a year. IES exam is a specific exam for engineering students but IAS exam is open for all stream .
Both are reputed examination and it will provides you better salary packages in future .


IES exam:
Scheme of Examination
Written Examination
Paper I (Objective type) General Ability Test
(Part A: General English)
(Part B: General Studies) 200 Marks
Papers II & III (Objective type) Civil Engineering/Mechanical Engineering/Electrical Engineering/Electronics & Tele-Communication Engineering 200 Marks for each paper
Papers IV & V(Conventional Type) Civil Engineering/Mechanical Engineering/Electrical Engineering/Electronics & Tele-communication Engineering 200 Marks for each paper
Total marks for written Examination 1000 Marks
Personality Test 200 Marks


IAS exam details :
Scheme of CS (Preliminary) Examination
The Preliminary Examination consists of two papers of objective type (multiple-choice questions) carrying a maximum of 400 marks.
The Question Papers (Test Booklets) are set in English & Hindi


General Studies Paper - I 200 Marks
General Studies Paper - II 200 Marks


Scheme - CS (Main)
Paper-I
One of the Indian Languages to be selected by the candidate from the 18 languages included in the VIIIth Schedule to the Constitution (Qualifying Paper) 300 Marks
Paper-II English (Qualifying Paper) 300 Marks
Paper-III Essay 200 Marks
Papers IV & V General Studies (300 Marks for each paper) 600 Marks
Papers VI, VII, VIII & IX
Any two subjects (each having 2 papers) to be selected from the prescribed optional subjects (300 marks for each paper) 1200 Marks
Total Marks for Written Examination 2000 Marks
Interview Test 300 Marks
Grand Total 2300 Marks