निम्नलिखित विधियों को पढ़ें और उस संयोजन को चुनें जो मृदा संरक्षण की सही विधियों को दर्शाता है। A. रासायनिक उर्वरकों का अत्यधिक उपयोग B. मल्चिंग (मृदा ढंकना) C. समोच्च रोधिकाएँ (कंटूर बैरियर्स) D. रक्षक मेखलाएँ (शेल्टर बेल्ट्स)

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?