Srinivas,

 I couldn't help thinking about you and your trading so with hope you receive this message.

 So many mathematical strategies exist that will ensure you are a pro trader so I wish to offer advice. First, you must attack prices directly. Not sideways through an indicator since they offer projections that may not be correct or slow to reach their ability to help you. So math offers the direct analysis and projection to understand prices.

 Start with Trigonometry. This area deals with lines. Cosine and Sin are fabulous tools that will make you money every time by calculating waves as just one example. Tangent lines is another method that will help you understand and calculate multiple lines. You will know for example where the lines meet, where they will deviate from each other. These lines are the true trend lines and should be drawn on your chart.

 In currency trading its important to know the Chain Rule because you will have a greater insight into USD and Non USD pairs in relation to their cross pairs. Calculations are simple, its the names given to these methodologies that make it sound impossible to calculate.

 Rates of Change is important. Highest price minus lowest price. This gives you understanding how fast or slow prices change. More important to this is calculate average rates of change for a better diagnostic to price changes.

 Statistics. Here you need to know your standard deviations,averages, means, bell curves, percentages, probabilities. This methodology I use to hit exact exchange rates. Look for a book that offers not just statistics but one that offers analysis.I use Richard C. Sprinthall "Basic Statistical Analysis" 11th edition. He offers a 2nd edition that is just as good but the cost is nothing. I bought mine from a used book sale for 50 cents.

 Logarithms vs Exponents: Exchange rates long before the middle ages were calculated by logarithms to the base 10. In the 1700's, Napier's e was introduced because it served as a constant and today used by central banks such as the Bank of England. Napier's e constant is 2.718. So take your exchange rate X 2.718. That allows you to calculate a bottom price to your exchange rate. You would then list a set of exchange rates against e to determine your entry and exits. You can factor time in relation to this strategy to determine when your exchange will hit its target. So Spot price X e X time. Time is usually square rooted because the numbers are easier to manage. 

 Calculus is the study of motion, you know that. I highly recommend a book called "The Complete Idiot's Guide to Calculas". Because it has many of the mathematical concepts I speak of here.

 I see deep sincerity in all your words so with that same sincerity I offer you my assistance. If I can hep you, feel free anytime.