<h1>Cultural heritage recognition: diplomats invited to a landmark Durga Puja to spotlight preservation amid urban change.</h1> A diplomatic delegation was invited to Chaltabagan Durga Puja to experience its intangible cultural heritage, showcased via a pandal recreating old North Kolkata streetscapes and honoured with an award; hosts emphasised that gentrification threatens the balconies, verandahs and lanes that sustain the community practices the festival embodies and framed the visit as an effort to raise awareness for preservation of this living archive.