Trader's Query - Over trading

Query :
How to control over trading? In last 4 sessions I made huge losses
I keep on placing orders, once I get loss.

Trading type : Intraday
Trading Instrument : Index

Reason :
Lack of discipline & knowledge
Lack of fear about money

How to rectify:
Trade based on well tested strategy
Less or no trades on news days
Targets vary depending on market situation
Follow trading rules
Example for trading strategy

When you are ready to pay brokerages, lose money because of over trading, you can spend your time, energy and money to learn about trading.