Ringing Bells freedom 251 is a very good phone at an extremely low price. For this price it packs most of the things which are present in more costly smartphones now a days. It has a 4 inch qhd screen which is very good in colour quality and pixel density it also has a Quad-Core Processor which is very great to be seen in a sub 500 rupees smartphone .
It also has two cameras which are very good at clicking pictures. The performance of this phone is very lag free and also the games play very smoothly on this device. Also the battery of this phone is very very good. The most interesting feature is that it runs on Android 5.1 lollipop which is not at all seen in this price range. Oral thus it gives a very good experience to the user as it has 1 GB RAM and 8 GB internal storage which is very good.
So if you are planning to buy a new smartphone at a very low budget then this phone might be for you.