Which of the following statement(s) is/are correct?

1. Bureau of Civil Aviation Security is an attached office of the Ministry of Civil Aviation.
2. It is is responsible for the development of National Aviation Security Programme in India.
3. It is headed by the Director General of Bureau of Civil Aviation Security, who is an officer of the rank of Director General of Police.

Which of the following statement(s) is/are correct about the ‘Pradhan Mantri Dakshta Aur Kushalta Sampann Hitgrahi Yojana’?

1. It is a centrally sponsored scheme by the Union Ministry of Skill Development and Entrepreneurship to empower the SCs and STs students with vocational education post-graduation.
2. The scheme aims to improve the all-round competency and adeptness of 10 lakh persons of eligible categories over the next four years, beginning with nearly 1.5 lakh youth in the first year i.e. 2020-21.

 Which of the following statement(s) is/are correct?

1. As per the linguistic census conducted by India, Hindi language is the mother tongue of more than half of the Indian population.
2. The share of Indians who report Hindi as their mother tongue has been declining over the last four censuses.

Which of the following statement(s) is/are correct about the ‘State Energy and Climate Index’?

1. It was released for the first time in the year 2016 in order to rank the efforts of states in improving their energy sector.
2. In the recent index, Gujarat has emerged as the top performer in the category of larger states.
3. The index is prepared by the NITI Aayog.

Which of the following statement(s) is/are correct?

1. Articles 343 to 351 deal with the official languages under the Constitution of India.
2. Originally, the Constitution of India provided for 14 scheduled languages under the Eighth Schedule of the Constitution.
3. The most recent amendment to the Eighth Schedule was done by the 92nd Amendment to the Constitution.