Civil Servant (IAS/PCS)

Hello Ria,
UPSC Exam Details and Eligibility:
For the IAS, IFS & IPS, a candidate must be a citizen of India. For the IRS and other services, a candidate must be one of the following:
A citizen of India
*a person of Indian origin who has migrated from Pakistan, Myanmar, Sri Lanka, Kenya, Uganda, Tanzania, Zambia, Malawi, Zaire, Ethiopia or Vietnam with the intention of permanently settling in India
Educational Qualification:
Here you can get details like Qualification for IAS IFS & IPS from below. All candidates must have as a minimum one of the following educational qualifications:
*A degree from a Central, State or Deemed university
*A degree received through correspondence or distance education
*A degree from an open university
*A qualification recognized by the Government of India as being equivalent to one of the above
Age Limit:
*A candidate must have attained the age of 21 years and must not have attained the age of 32 years on August 1 of the year of examination. For OBC the upper age limit is 35, and for SC and ST the limit is 37 years
Good luck.

Eligibility Criteria for Civil Services IAS & IPS Exam:
I)Academic Eligibility
*The candidate must hold a pass Bachelors degree from any of the Universities 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 a University, under Section-3 of the University Grants Commission Act, 1956, or possess an equivalent qualification.
*Candidates who have appeared or intend to appear for the final examination and are awaiting results are also eligible to apply for the Preliminary Examination.
*All such candidates who qualify the Prelims examination must produce a proof of Pass Bachelor Degree to appear for the Civil Services Main Examination. This Degree has to be attached with their application for the Main Examinations.
*The UPSC may in exceptional cases treat a candidate without the foregoing requisite qualification as an eligible candidate if he / she have passed an examination conducted by other institutions, the standard of which justifies his / her admission in the opinion of the Commission. The criteria may apply to candidates having Bachelor's degree from any reputed foreign university for example Oxford, Cambridge, Harvard, etc.

Well, I will suggest you to sit and ask yourself which one will be easy for. Check the syllabus of B.Tech and BA LL.B as both are totally in opposite directions. In B.Tech, you will learn the concepts of the related domain of engineering. In BA LL.B, arts and law.
An IPS officer has to be very smart and strong. I would say do it from top universities so that you can learn as much as you can. For law, National Law School of India University, Bangalore,
National Law University, New Delhi,
National Law University, Jodhpur,
Faculty of Law, University of Delhi,
Lovely Professional University, etc. are recommended.
For B.Tech, Amity University, Lovely Professional University, SRM University, etc. as they have the curriculum for overall grooming.

Main Exam include 9 descriptive type papers:
1-Any language defined in constitution of India
2-english
3-essay
4-general study
5-general study
6-optional subject-1
7-optional subject-1
8-optional subject-2
9-optional subject-2
In this papers first two is optional paper means its marks are not considered but one have to get minimum marks in that paper also otherwise one will be failed in the main exam. The other seven papers are compulsory and its marks are considered in the final merit list. After the selected candidate will go for an interview. The final merit list will be made based on the marks secured in main exam plus interview together. The list of optional subject for the Language means literature is below:
Gujarati
Manipur
Sanskrit
Hindi
Sindhi
Bengali
Kannada
Oriya
Tamil
Kashmir
Telugu
Konkani
Urdu
Marathi
Punjabi
Malayalam
The list of other optional subject for the main exam is below :
Agriculture
Management
Animal Husbandry & Vetinary Science
Mathematics
Anthropology
Mechanical Engineering
Botany
Medical Science
Chemistry
Philosophy
Civil Engineering
Physics
Commerce & Accountancy
Political Science & International Relations
Economics
Psychology
Electrical Engineering
Public Administration
Geography
Sociology
Geology
Statistics
Indian History
Law
Zoology
So, there are lots of optional subject so select any two from the above list and start the preparation for the exam.