MAYILADUTHURAI: The draining of floodwaters from paddy fields in Kollidam block is slow due to clogged drainage channels and seawater intrusion. According to the agriculture department, around 1,200 hectares of samba and thaladi paddy crops were inundated across the district. Joint director J Sekar said, "Most of the inundation due to rainfall is from places in Kollidam and Sirkazhi blocks, …