Dadri is a Town and Tehsil in Gautam Buddha Nagar District of Uttar Pradesh. In India, a tehsil is a sub-division of a district that is responsible for the administration and revenue collection of a particular area within the district. The superscript two, ² , is used in mathematics to denote the square of a number or variable. It also represents the second derivative in calculus when used as a notation for differentiation. 2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and the only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures. The number 2 is the second natural number, after 1. The number two (2) is the second positive integer and the first prime number. It is even, and is the only even prime (the primes other than 2 are called the odd primes). The number 2 is also equal to its factorial since 2!=2. A quantity taken to the power 2 is said to be squared.