Q. Which of the following waterfalls is/are located in North-East India?

1. Vajrai
2. Nohkalikai
3. Athirappilly
4. Dudhsagar

Select the correct answer using the codes given below:
Answer: Only 2
Notes: Vajrai Waterfall is located in Maharashtra's Sahyadri hills. Nohkalikai Falls is in Meghalaya, North-East India, and is India's tallest plunge waterfall. Athirappilly Falls is in Kerala, and Dudhsagar Falls is in Goa. Thus, only Nohkalikai Falls is located in North-East India among the options given.