Ans → (a)Western Ghats near Mahabaleswar in Maharashtra
Explanation → Krishna river originates from the Western Ghats near Mahabaleswar in Maharashtra and its length is 1300 Kms. End in Hansala Deevi Andhra Pradesh, Bay of Bangal.
This question is taken from this post → GK TEST - Practice QUIZ on rivers and dams in India - attemp/practice