Cost of my property in Faridabad. Whether I should retain it or sell?

I have a 198 Sq. yards plot in Greenfields colony in Faridabad. I was being offered a rate @ 72000/- per sq. yard about a year back. Now the offer is @ approx. 55000/- per sq yard. Should I retain or sell this to invest in another property. If yes, where ? My preference would be around Chandigarh because i live in Panchkula. the motive is to invest and make profit.
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