There has not been a single, unified Dalit movement in the country, now or in the past. Different movements have highlighted different issues related to the Dalits, around different ideologies. Notwithstanding differences in the nature of Dalit movements and the meaning of identity, there has been a common quest for equality, self-dignity and eradication of untouchability. (Shah 2001 : 194) Based on the given passage, answer the following questions:
(a) Write any two examples of Dalit Movement.

Study the chemical structure of an addictive drug shown below and answer the questions that follow.
A racing track is built around an elliptical ground whose equation is given by \[ 9x^2 + 16y^2 = 144 \] The width of the track is \(3\) m as shown. Based on the given information answer the following: 
(i) Express \(y\) as a function of \(x\) from the given equation of ellipse.
(ii) Integrate the function obtained in (i) with respect to \(x\).
(iii)(a) Find the area of the region enclosed within the elliptical ground excluding the track using integration.
OR
(iii)(b) Write the coordinates of the points \(P\) and \(Q\) where the outer edge of the track cuts \(x\)-axis and \(y\)-axis in first quadrant and find the area of triangle formed by points \(P,O,Q\).