Article 350A, Article 351, and Article 335 are all directives that are not included in Part IV of the Constitution but are still given attention by courts.

1. Article 350A:
Article 350A states that it shall be the duty of the State to provide adequate facilities for instruction in the mother tongue at the primary stage of education to children belonging to linguistic minority groups. This directive emphasizes the importance of preserving and promoting linguistic diversity and ensuring that children from linguistic minority groups have access to education in their mother tongue. Although it is not included in Part IV of the Constitution, the courts have recognized its significance and have emphasized the need for the State to fulfill this duty.

2. Article 351:
Article 351 deals with the directive for the promotion of the Hindi language. It states that it shall be the duty of the Union to promote the spread of the Hindi language and to develop it so that it may serve as a medium of expression for all the elements of the composite culture of India. This directive recognizes the importance of Hindi as a language that can unify the diverse cultural and linguistic groups in the country. Although it is not included in Part IV, courts have given attention to this directive and have upheld the constitutional validity of laws that promote the use of Hindi.

3. Article 335:
Article 335 states that the claims of the members of the Scheduled Castes and Scheduled Tribes shall be taken into consideration, consistently with the maintenance of efficiency of administration, in the making of appointments to services and posts in connection with the affairs of the Union or of a State. This directive emphasizes the need to provide representation and reservation for the SC/ST communities in government services while also maintaining efficiency in administration. Although it is not included in Part IV, courts have given attention to this directive and have upheld the reservation policies for SC/ST communities.

In conclusion, Article 350A, Article 351, and Article 335 are all directives that are not included in Part IV of the Constitution but are still given attention by courts. These directives address important issues such as linguistic diversity, promotion of Hindi, and reservation for SC/ST communities, and the courts have recognized their significance in ensuring equality and inclusivity in society.