कौन सा चिकित्सा उपकरण विशेष रूप से खींचे गए रक्त के शुरुआती हिस्से को यांत्रिक रूप से मोड़ने और अलग करके रक्त संवर्धन (blood culture) संदूषण को कम करने के लिए डिज़ाइन किया गया है?

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?