Kavalappara (Kerala), Aug. 27 -- Western Ghats are vulnerable to environmental disasters similar to Kerala's Kavalappara, where heavy rains triggered a mudslide this month and wiped away the entire village, according to India Meteorological Department (IMD) data. The frequency of extreme rainfall events (more than 15 cm in 24 hours) during the monsoon there is the highest along with parts of the northeast....