Thailand

Human dignity, rights, liberties and equality of the people shall be protected.
The Thai people shall enjoy equal protection under the Constitution. (Sec. 4)

All persons are equal before the law, and shall have rights and liberties and be protected equally under the law.
Men and women shall enjoy equal rights.
Unjust discrimination against a person on the grounds of differences in origin, race, language, gender, age, disability, physical or health condition, personal status, economic and social standing, religious belief, education, or political view which is not contrary to the provisions of the Constitution or on any other grounds, shall not be permitted.
Measures determined by the State in order to eliminate an obstacle to or to promote a person’s ability to exercise their rights or liberties on the same basis as other persons or to protect or facilitate children, women, the elderly, persons with disabilities or underprivileged persons shall not be deemed as unjust discrimination under paragraph three. ... (Sec. 27)

The State should organise a management system of justice process in every aspect to ensure efficiency, fairness and non-discrimination … (Sec. 68)