New Delhi [India], September 9 (ANI): As India prepares to host the BRICS Summit in New Delhi from September 12-13, former senior diplomats have highlighted the event's historic significance, outlining both the geopolitical hurdles and strategic opportunities facing the expanded 10-member group.Speaking with ANI, former senior diplomat Mahesh Sachdev emphasised that reaching two decades of existence marks a turning point for the grouping, while highlighting India's unique position as a diplomatic bridge between BRICS and Western nations.Advertisement"Historically, BRICS was founded as BRIC in 2006, and it completes 20 years this year. For two decades, its progress has been mixed, and…