Greetings!

To find previous year question paper for ddu bsc please visit:

https://drive.google.com/file/d/1-0FAS2tbZvqB-4kEx3gq4rjYiYXmzQSy/view

https://drive.google.com/drive/folders/1cCAUgZWdHy870y0LiT3YPlfSmPQzDKga

https://drive.google.com/file/d/1s1dEs8hf3mRH9xZXhMWdEHO3A58w5Yoi/view

https://drive.google.com/file/d/1RpK_9ci0lvBTMayof3eaIHCWaQ2XaIXG/view

I hope this was helpful.  Thank you!