age limit should be 30 but yes with higher degrees it should be 35.(Masters,MS.Mphil)
like Armed forces commission there is age limit for 24 for long servise commission having inter and graduation and short service cmmission upto 30 and 35 for master degree holder

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With faith, discipline and selfless devotion to duty, there is nothing worthwhile that you cannot achieve. Quaid-e-Azam