This is due to glass-coated Chinese nylon kite strings, said Dr Rina Dev of RiWild Sanctuary, urging people to remove and dispose of discarded kite strings.
Makar Sankranti 2022: Khichdi, sesame seeds, kites, other things you can donate on this auspicious day - Here are some affordable, useful things that are considered auspicious forms of dana (donation) on Makar Sankranti.