UPSC Preparation

Definitely you can opt for UPSC preparation along with B.Com and it will not pose any further problems .

Just take care of these points.

1. Maintain Seperate Study time period for both.
2. Need to focus more on your academics as graduation is more important.
3. Need to utilise your time efficiently 
4. You will have to minimise distractions 
5. Also you don't need to take much stress and 
6. Focus on your mental health 
7. UPSC preparation must not harm your Academics 
8. Understand the exam pattern and syllabus.
9. Must Build a strong foundation with NCERT books.
10. Read newspapers for current affairs which help you improve communication as well as with preparation.

Considering your preparation for the UPSC and your expertise in economics, political science, and history, think about pursuing a professional course or postgraduate degree that will support your UPSC objectives and provide a solid fallback career

Public Administration Masters degree (MPA): This degree, which covers administration, public policy and governance closely resembles the UPSC curriculum. It also provides access to positions in policy think tanks, NGOs and government agencies.
A master's degree in the political Science or international relations helps you to prepare for the UPSC by deepening your knowledge of political theory international relations and the Indian politics.
LLB (Law): Offers legal expertise pertinent to administrative services and is a strong alternative for a career.
Leadership abilities and alternate job pathways in the policymaking and development are provided by an MBA in Public Policy or Rural Management

Start your preparation for being an IAS officer from the class 10 stage following these steps:
After passing the 10th, select a stream that appeals to you. Arts is a good choice as it deals with History, Political Science, and Geography, all of which are part of the UPSC syllabus.
Focus on NCERT Books. Start reading NCERT for classes 11 and 12 to build the base. Of course, NCERT has a significant importance in UPSC preparation.
This also enhances general knowledge -reading of newspapers and magazines -for being updated on what's going around in the world-also a part of IAS.
Graduate: After your 12th, take a graduate degree in any discipline since it is an eligibility condition for appearing in the UPSC Civil Services Examination.
Know the UPSC Exam Pattern: Understand that there are three stages of exams: Prelims, Mains, and Interview.
Start Early Preparation: Maintain regular studies and join coaching or use online resources for guidance
Following these steps will assist you in preparing well toward your goal of becoming an IAS officer.

UGC/AICTE approved undergraduate courses that are relatively short-term and beneficial for UPSC Civil Services preparation include:

Bachelor of Arts (BA) in Political Science - Offers insights into governance, political theories, and public administration.

Bachelor of Business Administration (BBA) - Develops management skills and understanding of economic principles relevant to civil services.

Bachelor of Arts (BA) in Sociology - Provides knowledge of societal structures and issues, aiding in understanding social dynamics.

Diploma in Public Administration - Focuses on administrative processes and governance, directly relevant to civil service roles.

These courses can typically be completed in three years or less, depending on the institution and mode of study (regular or distance) .