**2. Methodology**

It's a descriptive cross sectional study done in collaboration with NGO (Balbhavan Project) working in slum areas of Ahmednagar. They were evaluated according to pre designed questionnaire in given time frame with the help of NGO (Balbhavan project) working in that area. All the children satisfying the following inclusion and exclusion criteria were enrolled in the study.

### **2.1 Inclusion criteria**

