While the country spend about $800 million on fireworks  /(1) every year, at a cost of only $74 million it /(2) is set to launch a rocket into space to /(3) orbit Mars and gather data about the planet. /(4) No error (5).

Innovations especially into the field of /(1)information technology can help to increase /(2) the wages of the workforce provided /(3) workers have the necessary skills. /(4) No error (5)

Though the idea of high speed trains is /(1) appealingly, studies show that countries which /(2) have such trains have found that they are much /(3) more expensive than expected and are not used much. /(4) No error (5).

Only recently (a)/ did the manager realised that the (b)/ information provided to him (c)/ by the employees was fabricated. (d)/ No error (e).

The death of the man has brought (a)/ to the fore the plight of thousands of migrants (b)/ languishing behind bars in India after (c)/ being apprehended in the border.(d)/ No error (e).

Investigating officers have found (a)/ a lot of gaps between (b)/ the information they gather on their own (c)/ and the version of events narrated by the accused. (d)/ No error (e).