N90 And Triple Layered Mask Developed By DRDO

Reports have been coming in by defence research and development organisation where it has been confirmed that they have successfully designed  N90 and triple layer mask.

As per reports coming in there was a shortage of these mass and countries premier institutions were trying hard to develop these mask.

Big achievement have been gained in this field.  This institution has handed over 20,000 such mask to Delhi Police.