Hello dear student

• In order to become an IPS Officer, you must apply for the UPSC CSE exam.
• You must also crack the exam preliminary, mains and interview in order to get selected for the training. A
• candidate must be a citizen of India to become an IPS .
• The candidates must be at least 21 years of age.

Please visit the link for more information.

https://competition.careers360.com/articles/upsc-ias-eligibility-criteria

Hope that's helpful

Best of luck