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A- here, ‘sooner’ is incorrect. We are not comparing anything. So ‘soon’ is enough. Kerala will soon have its own red list of birds. B- the verb ‘get’ should be changed to ‘gets’. Once it gets ready, Kerala will be the first State to have a region-specific red list of birds. D- here, ‘one of the guidelines’ is mentioned. so, the verb should be ‘is’, not are. The population size reduction measured over 10 years or three generations is one of the major guidelines.
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