किसी बैराज या नदी से निकलने वाली मुख्य नहर के तल का ढाल (bed slope) सामान्यतः रखा जाता है:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?