Mains Marathon Daily Current Affairs Questions and Answer Writing – January 4, 2019Read the following questions and answer them by clicking on the links in not more than 200 wordsTime: 30 MinutesKindly review each others answersQ.1) What do you mean by Blockchain technology? Discuss how blockchain technology can be applied in healthcare, education and agricultural sector. Q.2) What is Basic Structure of Indian Constitution? Discuss the significance of the Basic Structure doctrine. Q.3) Discuss the significance of Pradhan mantri Ujjwala Yojana? What are the bottlenecks in the scheme?Q.4) Unplanned Metro Rail projects in cities pose more problems than the solutions they offer. In the light of this statement evaluate how Metro Rail Policy 2017 addresses this problem.