The health of eminent literateur and social activist Mahasweta Devi, who is in critical condition due told age complications, is showing slight signs of improvement.<br/><br/>She, however, continues to be critical and on ventilation, doctors attending on her at the Belle Vue Clinic, where she is admitted for about 50 days, said the doctors. <br/><br/>The 90 years old writer-activist, who is known for her dedicated service for the welfare of tribals in different parts of India, is suffering from kidney and lung ailments besides blood infection and urinary tract infection.<br/><br/>The Jnanpith, Padma Bibhushan and Magsaysay awardee has been suffering from old age-related illness for a long time.