The knowledge regarding diagnostic testing for SARS COV-2 is still at hit-and-trial phases, all over the world. Evolving day by day through ongoing research and extensive trials, use for SARS-COV-2 infectionsReverse Transcriptase-Polymerase Chain Reaction (RT-PCR) and IgM/ IgG serology by Enzyme Linked Immunosorbent Assay (ELISA) or Electro-Chemiluminescent Immunoassay remain the main stay of diagnosis. However, the time course for the PCR positivity and seroconversion seem to vary in children and adults both, which also includes a huge population of asymptomatic individuals who are potentially labelled negative hence posing a great threat to the surrounding community.