New Delhi, Sept. 11 -- Bangladesh has decided not to take up India's invitation to attend the Brics Summit this weekend as the current chair of the regional grouping Bimstec, reflecting the current downturn in relations between New Delhi and Dhaka. The Indian side has extended invitations to Bangladesh Prime Minister Tarique Rahman for both a bilateral visit and to attend the Brics Summit as the chair of Bimstec but Dhaka has not conveyed its formal acceptance of both. Bangladesh was conspicuous by its absence from the list of country chairs of regional organisations attending the Brics Summit. For instance, the country chairs of Asean, the African Union, the Gulf Cooperation Council , the Community of Latin American and Caribbean States an...