methods to control speed of dc motors ppt on Vector spaces (VCLA) by dhrumil patel and harshid panchal contributor's identity (cpd /cha-2/project-2) ppt on 2 stroke and 4 stroke petrol engine Engineering graphics by harshid panchal ppt on application of integrals ppt on reading skills by harshid panchal Presentation on nano technology ppt on Introduction to basic electrical concept by harshid panchal ppt on flow chart by harshid panchal with help of Sejal ma'm (git.org.in) 
