There are minor price fluctuations that keep happening. If you see the price history for the last week, you can see that the prices fluctuate between 170 and 179. At the time of posting it was 176 per key that gives you 153 post steam taxes.
Update: All keys sold for now. Have more keys that...
I am selling Mann Co. Supply Crate TF2 Keys. Each key costs Rs 176 in the Steam Community market. On selling the keys in the Steam Community market, each key will fetch Rs 153 steam wallet. I have 48 keys at the moment and can get more if needed. These keys sell almost instantly in the Steam...