1. You should clean your lid margins every day with Johnsons baby shampoo and warm water
2. Presevative free lubricating eye drops are available in India - Refresh tears is one.
3. You can take any multivitamin
supplement with minerals
4. No depression
cannot cause dry eye
, some antidepressant medication can worsen dry eye symptoms.
5. The problem that you have is easily treatble with the right lubricating drops