Istio-proxy not getting started though my application is getting started

My Application has started but my istio proxy is throwing up errors in the sidecar

2022-02-08T14:33:05.845909Z warn ca ca request failed, starting attempt 1 in 99.168849ms
2022-02-08T14:33:05.945415Z warn ca ca request failed, starting attempt 2 in 204.006623ms
2022-02-08T14:33:06.150475Z warn ca ca request failed, starting attempt 3 in 362.101212ms
2022-02-08T14:33:06.513628Z warn ca ca request failed, starting attempt 4 in 855.333245ms
2022-02-08T14:33:07.369448Z warn sds failed to warm certificate: failed to generate workload certificate: create certificate: rpc error: code = Unavailable desc = connection error: desc = “transport: Error while dialing dial tcp: lookup istiod.istio-system.svc on 10.96.0.10:53: read udp 10.244.250.138:51467->10.96.0.10:53: i/o timeout”

What is it i am missing ?