Consider the following statements : Assertion (A): Damodar river was known as ‘river of sorrow’ before the development of Damodar Valley Corporation. Reason (R): Damodar flows rapidly in its upper part and its drift in the lower part becomes very slow. Select the correct answer from the code given below: Code :

• (a)A and R both are correct and R is the correct explanation of A.
• (b)A and R both are correct but R is not the correct explanation of A.
• (c)A is true but R is false.
• (d)A is false but R is true.