Chennai, Oct. 1 -- Nine workers from Assam were killed and one was injured at a construction site in a thermal power plant near Chennai on Tuesday night, making it the second tragedy in three days in Tamil Nadu. The deaths were caused when an iron scaffolding from which they were working crashed down at site for a power plant that was under construction in the Ennore Special Economic Zone (SEZ) in Tiruvallur district that adjoins Chennai. "They fell down from a height of 45 meters as per initial reporters," said senior IAS officer J Radhakrishnan who had rushed to the site. One injured worker is undergoing treatment at the Government Stanley Medical College Hospital in Chennai. Bharat Heavy Electricals Limited (BHEL) is the contractor of the project. Expressing condolences on X, Prime Minister Narendra Modi announced an ex-gratia of Rs.2 lakh from PMNRF to the next of kin of each deceased and Rs.50,000 for the injured. They were working to build a concrete arch from the iron scaffolding when it collapsed, said an officer from the Avadi police commissionerate. Chief minister MK Stalin announced a compensation of Rs.10 lakh for the families of each victim. Stalin deputed SS Sivasankar, Tamil Nadu's electricity minister and Radhakrishnan, secretary of the Tamil Nadu Electricity Board and chairman of Tamil Nadu Power Generation Corporation Limited, to carry out rescue work. Stalin said that measures would be taken to transport their bodies to Assam and announced a compensation of Rs 10 lakh each to the families of the deceased workers. "I was deeply saddened to hear the news that nine workers from Assam lost their lives in an accident that occurred during the construction work of the power plant being carried out by BHEL in Ennore," Stalin said in a statement. "More than 3000 workers are working on this site," said Radhakrishnan....