Byju's — Device issue hangs very often - 2 months over still not resolved

5 years subscription that too registered in the month of dec. from jan the program started. When i asked how my child will complete the current grade content because only 4 months left to finish the year. They mentioned it can be extended 2months summer holidays time can be utilised.problem started with the device lot o[censored]x content the provided device not supporting hangs every time. I calked customer care everytime i m given with different answers and new device not yet received.1person say order raised, next time they say order not raised they raise now. Next time they say it will come in few days. Next time they told still order not raised.if they know this is the known issue with the device y it should be sold tocustomers like this.now again asking for video tech support assistance etc. this is my 3rd month the device is on sleep mode. Who is responsible to solve this even we com forward and check everytime the status the consistent answer is not given. There were so many tried with tech support team too before raising the request for new device. They too agreed but still its the same status. Only time n unnecessaryily head ache for us only.