Ajay Arya3, Sumit Jeena1*, Amit Singh2,, 1P.G Jr. IIIrd year, Department of Pediatrics, Government medical college & Hospital, Haldwani, Distt- Nainital (Uttarakhand) India 2Assistant Professor, Department of Pediatrics, Government medical college & Hospital, Haldwani, Distt- Nainital (Uttarakhand) India 3Professor and Head, Department of Pediatrics, Government medical college & Hospital, Haldwani, Distt- Nainital (Uttarakhand) India, India