Abstract— this paper has been prepared to identify the major causes of delays on construction projects in India during Covid-19.The major causes of delays from this research study were investigated following data collection carried out through a questionnairesurvey with a wide range of construction professionals based in India. The findings from this research determined the major causesof delays based on an importance index, and the main conclusions from output of the data could help the construction sector to betterassess not only the major causes of delays on construction projects but also how to minimize them by proper planning. There may,however, be opportunities for safer working practice arising from new awareness of health, hygiene, and safety risk. The role ofsafety leadership is overlooked in guidance yet is vital to ensure safe application of COVID-19 working practices.Keywords: Construction industry, COVID-19, effects, impact, pandemic, causes of delay, effects of delay