Currently the average selling price going on in this locality is Rs 4028. I feel Rs 6800 per sqft for a 10 years old apartment is bit on the higher side. Try negotiating with the property seller
If you are buying for an end use purpose then you can buy the apartment but if are planning to sell the property after 5 to 10 years then I do not think you will get good returns as apartments are good in condition for 15 to 20 years, after that it need renovation. People will prefer to buy a brand new flat than going for a 20 years old apartment.
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