Explanation:

?? The Carlyle Circular was related to the withdrawal of government grants and affiliations from educational institutions from which students took part in the Swadeshi and Boycott movement. It condemned the use of school boys and students for political purposes as absolutely subversive and called upon teachers to prevent boys from taking part in political activities. Withdrawal of the right of competing for government scholarships was prescribed for activities as a penalty for disobedience. The District Officers were requested to report to heads of schools and colleges, the names of the students who took part in the Swadeshi Movement. Hence option (a) is the correct answer.

?? Imposition of restrictions and censorship on the newspapers and magazines published in vernacular language was put under the vernacular press act in 1778 during the tenure of Lord Lytton.
?? The maximum age limit for candidates was lowered from 23 to 22 years in 1860, to 21 in 1866, and to 19 years in 1878. It was later fixed between 22 to 24 years in 1906.
?? The Wood’s dispatch recommended setting up of vernacular primary school and Anglo–vernacular high schools and an affiliated college at the district level