CPI(M) leader Sitaram Yechury said today that Trinamool Congress chief Mamata Banerjee has insulted the people of West Bengal by not attending the funeral of Marxist stalwart Jyoti Basu. <br/><br/>Talking to reporters in New Delhi, he said, despite serious political differences, it is a culture not only in India but abroad also that one should remain present on such occasions. Mr Yechury added that it is also elementary human decency and a matter of courtesy and political morality. He said the fact that so many people turned out in such large numbers reflected the popularity of the great leader.<br/>