diff --git a/SE/DEL PY QP/README.md b/SE/DEL PY QP/README.md
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+*contributor* GayatriVitkar
+
+# Second Year Engineering (SE) - Digital Electronics and Logic Design PYQs
+
+## Description
+
+This repository provides **Previous Year Question Papers (PYQs)** for the **Second Year Engineering (SE) - Digital Electronics and Logic Design PYQs** course.  
+The goal is to help students effectively prepare for their examinations and understand the pattern of university questions.
+
+## Access Link
+
+All collected question papers are available at the following Google Drive link:
+
+* *SE DEL PYQ File Sept_2024:* [Click Here to Access](https://drive.google.com/file/d/1-6G7tPBZpWLSAP6J746FJHIDuZnCBlWk/view?usp=sharing)
+
+* *SE DEL PYQ File Nov_Dec_2023:* [Click Here to Access](https://drive.google.com/file/d/1eeaTvsdq4A1JX_P4xIXTrWOpgwECNJJI/view?usp=sharing)
+
+**Note:** If you cannot access the file, please ensure that the *General access* setting in Google Drive is set to **"Anyone with the link"** so others can view it.
diff --git a/SE/DS PY QP/README.md b/SE/DS PY QP/README.md
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+*contributor* GayatriVitkar
+
+# Second Year Engineering (SE) - Data Structure and Algorithm PYQs
+
+## Description
+
+This repository provides **Previous Year Question Papers (PYQs)** for the **Second Year Engineering (SE) - Data Structure and Algorithm PYQs** course.  
+The goal is to help students effectively prepare for their examinations and understand the pattern of university questions.
+
+## Access Link
+
+All collected question papers are available at the following Google Drive link:
+
+* *SE DS PYQ File Nov_Dec_2023:* [Click Here to Access](https://drive.google.com/file/d/1cqcKQD_Fz2MHCDI24LhJyyZkmbBj-USi/view?usp=sharing)
+
+* *SE DS PYQ File Nov_Dec_2022:* [Click Here to Access](https://drive.google.com/file/d/15lRyK7fwT2BfFZJyvdMq4pZ1SOv2692s/view?usp=sharing)
+
+**Note:** If you cannot access the file, please ensure that the *General access* setting in Google Drive is set to **"Anyone with the link"** so others can view it.
diff --git a/SE/OOPS PY QP/README.md b/SE/OOPS PY QP/README.md
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+*contributor* GayatriVitkar
+
+# Second Year Engineering (SE) - Object Oriented Programming (OOP) PYQs
+
+## Description
+
+This repository provides **Previous Year Question Papers (PYQs)** for the **Second Year Engineering (SE) - Object Oriented Programming (OOP)** course.  
+The goal is to help students effectively prepare for their examinations and understand the pattern of university questions.
+
+## Access Link
+
+All collected question papers are available at the following Google Drive link:
+
+* *SE OOP PYQ File Nov_Dec_2023:* [Click Here to Access](https://drive.google.com/file/d/1cm6EoINwvtFWyMOt-XA3uzI909b56Xor/view?usp=sharing)
+
+* *SE OOP PYQ File Nov_Dec_2022:* [Click Here to Access](https://drive.google.com/file/d/16cQlZT9qIfqutydsTM3x7hFL-wzecmLS/view?usp=sharing)
+
+**Note:** If you cannot access the file, please ensure that the *General access* setting in Google Drive is set to **"Anyone with the link"** so others can view it.
diff --git a/SE/OS Ebook/README.md b/SE/OS Ebook/README.md
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+**contributor:** GayatriVitkar
+
+# Second Year Engineering (SE) - Operating System (OS) eBook
+
+## Description
+
+This repository provides the **Operating System (OS)** eBook by **Abraham Silberschatz**, widely used in the Second Year Engineering (SE) curriculum.  
+The book offers a clear understanding of OS fundamentals such as process management, memory handling, file systems, and synchronization — helping students prepare effectively for university exams.
+
+## Access Link
+
+* *SE OS eBook (Abraham Silberschatz):* [Click Here to Access](https://drive.google.com/file/d/1q8FMzAA9DzyZDPQEfZdlN5uqP24bEUGe/view?usp=sharing)
+
+**Note:** Ensure that the Google Drive file’s *General Access* is set to **“Anyone with the link”** so all students can view it.