Second generation antipsychotics emerged in the 1980s are commonly known as atypical antipsychotics (AAP). Second generation antipsychotic drugs include various medications that are commonly used to treat psychiatric disorders such as tranquilizers and neuroleptics. Second generation antipsychotic drugs are free from any sanctions on the basis of approval from a number of countries to deal with various psychiatric disorders such as schizophrenia, mood disorder, autism spectrum disorder, also serve as a supporter in major depressive disorder.