Eleven flood rescue teams comprising 428 rescuers, equipped with 48 inflatable rubber boats and communication equipment have been pre-positioned in low-lying parts of Tamil Nadu. One team each has been pre-positioned at Mahabalipuram and Tambram in Kanchipuram district, two teams at Chennai and three teams at Tiruvallur. Three teams are en route to the NDRF base at Arrakonam in Tamil Nadu from Pune in Maharashtra. In addition, one team is at Puducherry," the statement said.