The discussions related to the different methodologies of making cores for sand castings by Somnath Chattopadhyaya of IIT(ISM) Dhanbad, India/ #IIT ISM / #nptel / #production technology / #somnath chattopadhyaya sir lectures / #IIT / #IIT lectures / #mechanicalengineering / #btech / #gate/ #gatepreparation / #manufacturing technology/ #manufacturing / #manufacturing process /
