Income tax calculations

Every year i have this particular problem with my income tax returns

I deal in share transactions on a day to day basis

i do intra day trades, delivery trades and futures and options

i get contract notes daily from my broker

how to maintain a excel sheet of all the data pertaining to my share transactions so it becomes easier for me to file my income-tax returns every year...

secondly, do i have to maintain seperate data for intra-day and delivery based transcations

plz help...my email id is [email protected] if you have a format of excel sheet in which i should store my daily data for tax calculations