The Nirmala Puraskaram is awarded for contributions in the field of:

Education
Social service
Science and technology
Arts and culture

The correct answer is: A) Education.

The Nirmala Puraskaram is a state government award given to individuals who have made significant contributions to the field of education in Kerala, India. The award was instituted in 1979 by the Government of Kerala in memory of Nirmala Devi, a social worker and educationist. The award is given annually to one individual and one institution. The award consists of a cash prize, a citation, and a memento.

The award is given to individuals who have made significant contributions to the field of education in Kerala. This includes teachers, administrators, researchers, and others who have made a significant impact on the education system in the state. The award is also given to institutions that have made a significant contribution to the field of education. This includes schools, colleges, universities, and other educational institutions.

The Nirmala Puraskaram is a prestigious award that recognizes the contributions of individuals and institutions to the field of education in Kerala. The award is a source of inspiration for many people in the state and helps to promote the cause of education.

The other options are incorrect because they are not the field of education. Option B, social service, is the field of helping others and improving the lives of others. Option C, science and technology, is the field of knowledge about the natural world and how to use that knowledge to solve problems. Option D, arts and culture, is the field of creativity and expression.