Speaking at a National Science Day function here, the Union Minister of State for Human Resource Development(HRD) also said that Indian religion follows the natural laws.
"Whatever is taught in our schools, colleges and universities, should promote scientific temper and curiosity among the students.
The IPS officer turned politician had claimed in Aurangabad last month that Charles Darwin's theory of evolution of man was "scientifically wrong" and it needed to be changed in school and college curriculum.
He said that, in Europe, there was a long struggle between science and religion, but it was not so in our country.
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"According to the definition of our religion (Dharma), knowing and following natural laws is Dharma."
Emphasising on the need to develop a scientific temperament, he said that questioning others as well as oneself is the first step towards it.
Claiming that suicides in cities like Delhi and Mumbai are six times more than the murders registered there, Singh stressed on spiritual science and science of intellect.
"Will this growing science teach us values. It will not happen unless we talk about spiritual science. Spiritual science should be there, we should also teach science of intellect," he said addressing the gathering of students from DU, JNU and IIT attending the function.
The minister lauded scientists for making possible revolutions in the field of milk, meat and fish production in the country.
On the sidelines of the function, the minister refused to comment when asked about a media report that he had claimed that mantras codified the laws of motion before its discovery by Isaac Newton.
Singh was invited as the chief guest at the National Science Day function organised here by Indian National Science Academy, Delhi, and Indian Academy of Sciences, Bengaluru.
The inaugural session was followed by sessions on topics 'Why evolution is central to both biology and our lives' and "Science and mathematics in Ancient India."