I am not sure to what extent earlier year number can be trusted. It became the public company in Sept 2016, so there is not much public information about the enterprise. Looks like it has a given high return after IPO.
I think Red Hearing prospectus provide more information about it than the company website. The investor section of the website is very primitive, and most of the links in the investor section have no information associated with it.
http://www.bseindia.com/downloads/ipo/201672818241Valiant%20Organics%20Ltd_DP.pdf
In related party transaction section- it lists Aarati Drugs/Aarati Industries. They seem to well known listed player.
Valuation- ON PAT Of 10 cr (approx.) the market cap of the company is150 cr (approx.). So they have a PE of around 15. I think a lot has been factored into the price and PE of 15 is not a cheap in my view.
But overall based on the limited information, it looks promising and worth keeping an eye on.