NAGAPATTINAM: Around 15,000 hectares of samba and thaladi paddy cultivation in the coastal delta districts have been inundated in the incessant rain lashing the region since Tuesday. The crop, however, is past 60 days of growth and hence could survive damage if the rainwater recedes from the fields soon, agriculture officials in the state and Puducherry said. In Mayiladuthurai, around …