database
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accounts
 - bank name
 - account number
 - branch
 - online login id
 - starting balance


transaction
 - debit_from
 - credit_to
 - category
 - amount


categories
 - income
 - interests
 - taxes
 - insurance
   - health
   - life
 - entertainment
   - eating out
   - movie
   - vacation
   - TV
 - clothings
 - house-hold
   - grocery
   - vegetables
   - maintenance
   - maid salary
   - cook salary
   - newspaper
   - milk+curds
 - car
   - petrol
   - servicing
   - other
 - health
   - medicines
   - doctor
 - travel
   - train
   - flight
   - others
 - investment
   - property
   - shares
   - mutual funds
   - gold
   - long-term-plans 
 - kids
   - toys
 - gifts
 - transfer