Ludhiana Momentous Milestone In War Against Covid-19 Pandemic- Mamta Ashu, Dr Kiran Gill Daily 24x7 News Sep 16, 2021 Mamta Ashu, Dr Kiran Gill, Delta Plus Covid variant, Delta Covid-19 variant, Coronavirus, Covaxin, Covishield, Sputnik V, Pfizer, Astra Zeneca, Remdesivir
