Discipline refers to you sticking to your trading plan and not deviating from it!
Usually traders go with a plan but they deviate from it turning themselves into risk junkies! These are the undisciplined boys, you don’t want to be one of them 
Few things I followed and you could too..
1 - Do not expect to become an expert trader right away. It takes considerable time, practice, effort & discipline to learn trading.
2 - Paper trade or use a simulated trading web site to practice your trading techniques before you use your own money.
3 - Always limit your losses - use stop orders.
4 - If the markets on a given day are not performing or reacting the way you expected, it is best to simply get out.
5 - Try to predict the general direction of a stock price but do not try to pick tops and bottoms.
6 - Remember that standing aside is a position and often the best one to take if you cannot form an opinion as to where the market is heading on a given day.
7 - Always keep records of your trading results and analyze the results.
8 - Never get emotionally involved with your trades as emotions often work against you.
9 - Do not try to focus on too many stocks at once. Limit your focus to a manageable number.
Source:http://www.tradersplace.in/disciplineintrading.html
May be it helped..
Thank you very much Anil
You Welcome…