As per ICICI Lombard website -
Permanent exclusions of health policy
  1. Any illness/ disease/ injury/ pre-existing disease before the inception of the policy. However, this exclusion ceases to apply if the policy is renewed with the Company for 4 consecutive years
  2. Non-allopathic treatment, pregnancy and childbirth related complications, cosmetic, aesthetic and obesity related treatment
  3. Expenses arising from HIV or AIDS and related diseases, use or misuse of liquor, intoxicating substances or drugs as well as intentional self injury
  4. War, riots, strike, nuclear weapon, induced treatment

Your problem is existed at the time of you took the policy, so not covered now.