Why did Raja Todar Mal introduce a new measuring device for land measurement? What was that measuring device? 

'My father always associated with the learned of every creed and religion, especially with Pandits and the learned of India, and although he was illiterate ... from his conversations with the learned and wise, no one could take him to be illiterate.'

Which Mughal Emperor is being referred to in the above paragraph? 

'My father always associated with the learned of every creed and religion, especially with Pandits and the learned of India, and although he was illiterate ... from his conversations with the learned and wise, no one could take him to be illiterate.'

What did this Mughal Emperor build to further his interest in learning about different religions? 

'My father always associated with the learned of every creed and religion, especially with Pandits and the learned of India, and although he was illiterate ... from his conversations with the learned and wise, no one could take him to be illiterate.'

What was the religious path suggested by this Mughal Emperor?