I don't think so it was considered a golden phase. India was united but there weren't significant progress in art and mathematics barring a few exceptions. also

I don't think so it was considered a golden phase. India was united but there weren't significant progress in art and mathematics barring a few exceptions. also, the religious prosecution and the tax on non believers sucked the poor dry. The gupta Empire around 7th century CE is considered the last golden age of pan India. though such a big country, different parts had their different parts of prosperity like Vijayanagar empire in 15 th century CE