I'm assuming you're looking for a write-up on "Muallim ul Quran" by Dr. Ubaid and a possible PDF download link. Here's the information:
"Muallim ul Quran" (also known as "Mu'allim al-Qur'an") is a renowned book on Quranic studies, written by Dr. Ubaid Ahmad, a well-known Islamic scholar. The book is a comprehensive guide to understanding the Quran, its interpretation, and its application in daily life. muallim ul quran dr ubaid pdf download