8th sem mech google drive link

https://drive.google.com/open?id=1v2QH2rkj_QpicbBLsXZ6MQaRGFS_hQ2E

6th sem mech google drive link

https://drive.google.com/open?id=1eEYRZ5ZeEWFaBemwMJEYhVzU1otIq_FL

4th sem mech google drive link

https://drive.google.com/open?id=1TeSKUf9vZzOTu1ov1bYTtc5tH7pUCFZs3