I have no other object _______ to study.

I have no other object _______ to study.

Explanation

The sentence should be: "I have no other object than to study."

میرے پاس پڑھائی کے علاوہ کوئی مقصد نہیں۔

"Than" is used here to indicate a purpose or intention, similar to "except" or "other than".