UPSC Preparation

This may differ from time to time at this time the salary is Rs 56000 with dearness allowance, medical allowance, traveling allowance, etc.

They both are two different stages, prelims 1st and main 2nd. You have to clear them separately.

Yes, medical facilities are free to IAS. They get dearness allowance, traveling allowance and medical allowance with their payment.

You will get pension until your whole life and you can be appointed as a secretary of any ministry after retirement too.

If you get civil in BITS then you should continue to study if you can afford because it has too many scope in future and you can also prepare for UPSC after engineering.

In UPSC prelims, you need to cover: general studies - History, geography, polity, economics and Science. For CSAT paper 2, aptitude and general mathematics.

There are many government exams to be conducted. 1st SSC CGL last date of form submission 25th November 19, Madhya Pradesh PSC state service exam form submission 20th nov to 9th dec 19. RRB NTPC etc. And UPSC CSE 2020.

UPSC CSE PRELIMS SYLLABUS
Paper 1 - General Studies:
This includes areas like; Indian National Movement, Indian Polity, Basic Economic Understanding, Geography. While these are static part of the syllabus, the dynamic part includes current affairs, General Knowledge and that does not proper definition, thus making the syllabus quite vast. Paper II - Aptitude Test:
Paper II is dynamic in nature and includes mathematics, reasoning, analytical ability, and interpersonal skills. All these areas require spot mental ability.

If you are willing to appear in UPSC CSE rather than IES than this is a different field as IES is technical field but UPSC CSE ask you questions related to social studies, gs and current affairs with Science and maths of 10th level only. So for CSE preparation you must cover ncert of 6th to 12th standard. Then you should move to other books.

If you want to crack UPSC CSE and you are serious for that then don't go for any other courses after graduation because it doesn't matter. You should continue preparation for the exam only.