Hello Aspirant
No, after completing your Ph.D. in pharmacy you cannot apply for the IAS officer exam. For that you will have to first complete your bachelor's degree. To become an IAS officer, you must take the UPSC Civil Services Exam.
Please refer this link for UPSC Eligibility Criterion:
https://competition.careers360.com/articles/upsc-ias-eligibility-criteria
Thanks
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