I would suggest, (instead of going for critical illness policy) Go for Apollo DKV - Insure Health - http://www.apollodkv.co.in/insure-health.aspx
You will get following benefits -
  1. In-patient treatment
  2. Pre-hospitalization
  3. Post-hospitalization
  4. Day-Care procedures
  5. Organ Donor
  6. Ayush