UK Visa Requirement

Basic Document:-

Seven (06) months valid passport with an old passport if have.
Visiting card.
Bank statement for last 06 months and Bank solvency certificate
NID Card copy

For Business Person:- 

Renewal trade license copy with notary public ( English Translated )
Memorandum for limited company / Form XII
The blank page of the office pad.
Import/Export Certificate

For Job Holder:-

No objection certificate (NOC)
Salary certificate
Employee ID card copy
Provident fund certificate
BMDC certificate for Doctor 
BAR council certificate for Advocate

For Student:-

Student ID card Photo Copy.
Leave letter from School/College/University
Birth certificate (Only for Child & infant).

Others:-

Marriage certificate copy ( if spouse name not mentioned in the Passport )
 Fixed Deposit Copy with Certificate from Bank.
Sanchay Patra Copy with Certificate from Bank.
Share documents.
Asset Valuation (Summary of Property, Bank Statement, Fixed Deposit, and other Financial Documents).
TIN Certificate/ Tax return copy
Credit card copy + Statement  ( if )