The condition of veteran Marxist leader and former West Bengal Chief Minister Mr Jyoti Basu has slightly improved this afternoon. <br/><br/>According to Medical bulletin some positive changes of his health has been found. Spokesman of the nursing home told reporters in Kolkata this evening that his blood pressure is under control and urinary output has shown improvement. But, Mr Basu is still critical and has been kept on ventilation. <br/><br/>A team of doctors continously monitoring his health. Mr Basu was admitted in a private nrusing home on first January following attack of phenumonia. <br/><br/>AIR Kolkata correspondent Arijit Chakraborty reports that political leaders cutting across party lines visited the nursing home today to enquire about his health. The leaders include CPIM State Secretary, Mr Biman Basu, Railway Minister, Ms Mamata Banerjee , Former Lok Sabha Speaker Mr Somnath Chatterjee and many cabinet members of West Bengal Government and a number of followers of Jyoti Basu.