आभासी कार्य (Virtual Work) के सिद्धांत द्वारा संरचनाओं के विश्लेषण में, निम्नलिखित में से किस बल को कार्य करने वाला माना जाता है और उसे छोड़ा नहीं जाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?