I am planning to send following original documents from UK to India for my family
1) One month Pay Slip
2) One month Bank Statement
3) Tenancy Agreement on my name for a single BHK apartment
4) Sponsor Invitation letter saying that i will be taking responsibility of my family when they come to UK
5) Xerox copies of my passport (all the pages)
6) Council Tax bill and receipt ( Address proof)
7) Water Bill (Address Proof)

And i have following documents from India supporting VISA application
1) Original Marriage certificate
2) Birth certificate of spouse and child
3) my Indian Bank 6 months statement showing my funds
4) Indian property Documents showing that i have enough funds in India to support me and my family if required