A t-test is any statistical hypothesis test in which the test statistic follows a Student's t-distribution if the null hypothesis is supported.
Currently, 1 USD = 68.08 INR . So, 500 USD = 34032.18 INR. This value may vary due to the following causes : 1. Global economic slowdown: This the major factor which is contributing to both the stock markets and Indian currency fall.
The Gross Domestic Product of India is 1.1 trillion US Dollars based on 2007 statistics. This makes India the 12th largest economy in the world based on GDP. According to the 2009 stats the GDP of India is 3.57 trillion US Dollars. This makes India the 5th largest economy in the world based on GDP.