WI Adam’s Bridge survived

Until the 1400s, a chain of land connected Sri Lanka and Asia, and was destroyed by a cyclone. Would Sri Lanka be considered part of India ITTL (although it wouldn’t necessarily all be one nation, butterflies and all.) I’d also imagine any large state in Southern India would be able to take it, and Britain or other colonizers would be able to hold the area more easily than India because of the narrow isthmus (like Nova Scotia in the ARW.)
 
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