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Dr Praveen Shukla  from Lucknow

Engineering Simplified

youtube.com/channel/UChTW6hTXm2UI3OMWWvKvgSw

vinithbejugam from HYDERABAD

ChEng

vinithbejugamchemicalengineering.blogspot.com
Vinithbejugam, HYDERABAD

vishwanath from mumbai

Mechanical engineer rocks

youtube.com/channel/UC1CCECtE-kN6Olo0cj6sj0A
Vishwanath, Mumbai