Civil Servant (IAS/PCS)

The Civil Services Examination is a nationwide competitive examination in India conducted by the Union Public Service Commission (UPSC) for recruitment to various Civil Services of the Government of India, including the Indian Administrative Service (IAS), Indian Foreign Service (IFS), Indian Police Service (IPS) and others services. It is the most competitive exam of the world. IAS is the best government job. As an IAS officer, you can help the government draft national policies on all subject and its implementation thus impacting the life of a common citizen. If you have a passion for contributing in nation building then even as an engineer this is the right job for you. If you want materialistic happiness and money, it is not the career for you.

There are some comman books that you have to finish.
History- Spectrum modern history And for better understanding grover and belhekar is good in marathi.
Bipinchandra indias struggle for independance(This book is bulky and for pre 2016 time is less) This is also available in marathi.
Indian Polity-Laxmikant is compulsory and for parliamentary bills you can refer PRS india.DD basu is available in marathi.
Economics-questions were not in depth you can read Ramesh singh or sanjeev varma but not both are required.Most of the time Questions were asked from current affairs.Deepsthambh is good for conceptual cleariry in marathi .
Geogrophy-G.C.leong is good and short book, orien black swan atlas is enough as well ncert 6 to 12.
Science-Most of the question related to current affairs like LIFI, PROJECT LOON
so make your current affairs strong as much as you can and read NCERT from 7 to 10.
Environment- Shankar IAS is best for this if you cover this book along with current affairs so it will helpful for you to tackle this topic question.
Art and culture-Nitin singhania's book on art and culture is best and comprehensive book as well CCRT website is useful.
Current affairs-daily reading the hindu otherwise indian express is sufficient and VISION IAS monthly magzine is best to cover all topics because they give subject wise affairs.
NCERT are fundamental books they are very usefull for building up your concept so you have to read geography, polity,history,Science and economy books respectively.

The Civil Services Exam is conducted by the UPSC every year and the exam is held in three stages and they are:Stage I: Preliminary ExaminationStage II: Main ExaminationStage III: Personality Test/Interview Round
The stage 1 of the civil services exam is prelims, which is a screening test for candidates and comprises of two papers with questions of objective or MCQ type.
The stage 2 of the Civil Services Exam for IAS is called as the Main Exam, which is a written examination and comprises of 9 papers. The 9 papers are as following Paper-A (Compulsory Indian Language); Paper B (English) are qualifying in nature, while the other papers like Essay, General Studies Paper I, II, III, and IV, and Optional Paper I and II are considered for the final ranking.
Candidates who clear the Civil Services Main Exam with the set cutoff marks will qualify for the final stage of the exam i.e., the Personality Test or Interview round with the UPSC Board Members. The candidates who qualify to the final stage will be sent an e-summon by the commission for a face to face discussion round with the board members. In this round the board assesses the personality traits of the candidates and questions will be asked on their hobbies, current affairs, general knowledge, situation questions and etc. The final round that is the personality test will be held only in the UPSC Bhawan in New Delhi.
All The Best