Questions

Sunspots are a magnetic phenomenon on the Sun.

The reason a sunspot appears dark is that they are cooler than the rest of the Sun's surface and also the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface. 

In  a  boost  to  its  non-proliferation credentials, India joined the Missile Technology Control Regime (MTCR) at   a   ceremony   in   South   Block. India’s  MTCR  membership  would help in furtherance of international non-proliferation  objectives,  India would  enjoy  full  participation  in organisational  activities,  India  had intensified     efforts     at     gaining membership   of   the   MTCR,   the NSG,   the   Australia   Group   and Wassenaar     Arrangement     since getting  a  waiver  at  the  NSG  in 2008. Membership of these groups would    help    India    trade    more effectively    in    critical    high-tech areas

Finance Ministry Launches Mobile Application “Jan Dhan Darshak” as A Part of Financial Inclusion. Department of Financial Services (DFS), Ministry of Finance and National Informatics Centre (NIC) has jointly developed a mobile app called Jan Dhan Darshak as a part of financial inclusion (FI) initiative. 

Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.