The Indus river system is an important drainage system of India. Which of these statements is/are correct regarding this?

1. The Indus flows in India only through the Leh district in Jammu and Kashmir.

2. It flows in the northeast direction between the Ladakh and Zaskar ranges and passes through Ladakh and Baltistan.

3. The Khurram, the Tochi, the Gomal, the Viboa and the Sangar are the Himalayan right bank tributaries of the Indus.

Identify the correct answer from the options given below.