go to your college library and ask for it.All libraries keep a stock of previous question papers.
You can get all schemes vtu question papers from the link below.
Explain survey
vtu resource .com vtubuddy.blogspot.com vtuplanet.com
no where
With a neat diagram explain the structure of a microcomputer
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WANTED PREVIOUS SEMESTER VTU QUESTION PAPERS ON E.V.S
You can download Telecom (TCE) question papers of all the schemes (2002 to 2010) from the link mentioned below.
model question papers for 7th sem CSE
Download from the link provided below.
You can find recent papers of microwave and radar from the below link.
In Babu book store