How much cash I can show in my individuals balance sheet

chetan singhania (student) (71 Points)

10 February 2020  
I am filling income tax return for first time. I have cash amount of 500000 which is my saving from childhood. my query is can I show this amount as my capital in individual balance sheet. if yes then how to prove this amount and if not then how much can I show cash in my file
I'm 18 year old right now