When Hydrogen starts burning in air it

Which ISRO’s   PSLV-C54 successfully placed nine satellites  which includes satellite   ?

The National Workshop on the National e-Vidhan Application (NeVA) is being organized by which ministry?

When is Martyrs Day observed?

Consider the following statements about Scabies:

1.  It is a parasitic infestation caused by a mite known as Sarcoptesscabiei

 Bandhavgarh National Park, famous for its Royal Bengal Tigers, is located in which Indian state?

Under the PRASHAD Scheme, what does the letter "R" stand for?  

Which country is facing a severe population decline, potentially becoming the first country to experience a "population collapse"?

Consider the statements about National Centre for Seismology (NCS):

Which company was responsible for delivering INS Nirdeshak to the Indian Navy?

What conditions favour the development of a heatwave?

1.Prevalence of hot dry air over a region