IS it ok if the sponsorer isn't ready to share their bank statement ?
Only the sponsor letter & declaration of their income is fine ? They are UK citizen.

We are a family of 5. Father in law (71 age) Mother in law (65), myself, husband and baby 1 year old. My in laws stay in delhi and we are in Bangalore. We are planning to visit in march end to Uk for 15 days. My queries are 1) what document exactly do we give for income tax return [ form 16 or Itr ...