The first day's proceedings in India-Sri Lanka opening Test at Kolkata was delayed as there was no let up from rain and the conditions remained overcast because of a deep depression in the Bay of Bengal.The entire Eden Gardens ground remained under thick white tarpaulin cover, while the strip had three layering on it, as it's been raining since yesterday and there is more forecast of rain for next 24 hours because of the system over west- central Bay.