About Intraday

#1
how many times can I buy/sell (the same stock) in a intraday.
If I BUY/sell shares of a SBI today, can I buy shares of the SBI later the same day ?

:confused:
 
#4
How many trade can i make in the stock market trading with under Rs50000/?
Is there a limit to the number of trades you can make per day if you buy/sell the same day(the same stock) ?