I bought this product last year from amazon. The delivery was very late but it was worth the wait as the product is extremely good. I bought a 5-star rated version of this product. The cooling was very good and so far I havent encountered any problem with this AC. Also since it is 5-star of electricity bill was also in control even after using it for more then 13 hours a day.
Overall its a great product for Rs 22000 and if its still available at this price then go for it.