Xiaomi India — regarding updates

From last four month i m not getting any updates... Regarding this i tried to complain... Through feedback... But it is also not working... Please provide me new updates as soon as possible... Because my mobile phone is not working efficiently... My mobile handset is xiaomi note 5... U people have also not informed about technical issue... Or any reason about that y u are sending updates... Please take it seriously... I m just fed up with this