India, Aug. 13 -- The Bangladesh government is yet to convey its formal acceptance of India's invitation to PM Tarique Rahman to attend the Brics Summit next month amid a recent downturn in bilateral relations, people familiar with the matter said. The Bangladesh PM was invited to the Brics Summit to be held in New Delhi during September 12-13 in his capacity as the current chair of the Bimstec grouping. India's envoy Dinesh Trivedi is understood to have reiterated the invitation at a meeting with Rahman in Dhaka on August 10. With a month to go for the summit, the Bangladesh side is yet to inform India about its acceptance of the invitation, the people familiar with preparations for the event said on condition of anonymity. Similarly, the ...