This lab manual is designed to ensure safe working in laboratories. Content is basically according to Indian conditions. The manual puts emphasis on adherence to lab rules and regulations. There is detailed information regarding safe handling of lab equipments and chemicals. This lab manual answers all the basic questions arises in a beginner's mind while working in lab. Labs have different conditions according to respective areas so one section is devoted to each type of lab conditions. Considering incidences of minor and major accidents due to ignorance and negligence in laboratories, this manual has been prepared. This manual explains each and every topic in simple and easy language. It also includes do's and don'ts of lab so as to clearly envisage necessary instructions to be followed in labs.