Can the bank increase a mortgage rate after signing a agreed mortgage rate?

I paid complete fees at a coaching fees But due to certain personal issues I wasn't able to attend even a single class When I requested for refund within a week of payment earlier they said they will refund later they stopped taking calls and now telling me that they will not refund

I bought a new Samsung refrigerator which was having some manufacturing default, so I asked the company to replace it...after numerous attempts or complaints, i got my fridge my replaced after 25 days.. but this fridge seems to be a refurbished one...ice tray was having dirt on it but it was packed like a newly one nd the door of the refrigerator is also having some glue type beneath the door...after delivering the refrigerator they had taken my signature dt everything's okay. tell me what to do now... i want to make them answer me in consumer court..can i apply online...is it enough to say on the basis of ice tray nd glue that fridge is refurbished...but believe fridge is refurbished

i had hired a packers and movers company to shift my stuff from Pune to delhi. but they are not delivering it. It has been a month since they took the things from my home in pune. whenever i call them they keep telling me it will be delivered within 4-5 days. Please help