Mumbai, May 27 -- Heavy rains disrupted normal life in Mumbai, Thane, Palghar and other districts of Konkan and parts of western Maharashtra on Monday as roads, railway tracks, bridges, farmland and some residential areas were submerged, and hundreds of families were shifted to safer places. Four persons died after being struck by lightning, one person died due to drowning and another person went missing after being swept away by flood waters. Ten teams of the National Disaster Response Force (NDRF) have been deployed in the coastal districts of Konkan along with Sangli, Satara and Kolhapur districts in western Maharashtra. Three teams of the NDRF have been permanently deployed in Mumbai while one team has been permanently deployed in Palghar. Chief minister Devendra Fadnavis has ordered the administration to be on high alert. The southwest monsoon reached Maharashtra on Sunday, marking the earliest arrival of the season in the state in at least 35 years. On Monday, rains continued to lash the entire Kokan region including Mumbai, Thane, Navi Mumbai, Palghar, Raigad, Ratnagiri, Sindhudurg and parts of western Maharashtra in Kolhapur, Satara, Pune, Solapur, Sangli. In northern Maharashtra, Sinnar tehsil in Nashik district and parts of Ahilya Nagar district experienced heavy rains. The state disaster control department on Monday deployed additional NDRF teams at several places including two in Mumbai. According to information from state officials, 30-year-old Roshan Kalekar, a farmer, died due to lightening in his farm at Karjat in Raigad district. Two other farmers died and six suffered burn injuries due to the lightening in Ahemedpur tehsil in Latur district while they were working in the farm. The deceased were identified as Vikram Karale, 55, and Ranjanabai Samudhay, 55. In Kalyan taluka, a 16-year-old boy, Yash Late, died after being struck by lightning during a storm. Four calves were also killed as lightning struck a cowshed belonging to Gurunath Kashinath Bangar. Avinash Bhoir, 30, drowned in the Chikhloli dam while swimming with friends and his body was recovered by the Ambarnath fire brigade. In Ratnagiri, 48-year-old Rajendra Kolambe was swept away in flood waters while he was crossing a bridge in Dapoli tehsil on his bicycle. The rains also led to flooding of major rivers and submergence of areas along the banks including temples, farms and villages. A total of 48 people were rescued from flood waters in Solapur, Pune and Satara districts while five persons were rescued in Kharghar. The Sinnar area of Nashik district also witnessed heavy rains, causing major losses for onion farmers....