(b) is the right answer as only 1 and 2 are grammatically and meaningfully correct. In 3, replace STUDENTS ATTAINS with STUDENTS ATTAIN as the plural noun students would require a plural verb to follow. Hence, the verb should be attain rather than attains, making 3 incorrect.
Rajesh Ranjan has been appointed as the High Commissioner of India to:
Who is the next 49th Chief Justice of India (CJI)?
Where in India the famous Saffron Festival is being celebrated?
When is ‘International Translation Day’ celebrated?
Where is the Central Scientific Instruments Organisation situated at?
Which state has initiated the establishment of a Caracal (Henotaro) Breeding and Conservation Center?
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What is the theme of this year's annual meeting of World Economic Forum in Davos?
Who is the only international player to score three double centuries in One Day Internationals (ODIs)
Karnataka government launched the ‘Mathru Purna’ scheme for ___________?
Which of the following are the national and official language of India respectively?