Please note that since 2009, 10 times Appreciation has taken place in Yamuna Expressway Plots. This was before starting of Jewar International Airport/ Film-City and other developments that are now taking place in Yamuna Expressway.
See the sample allotment letter of 2009 @ Rs 4750/- per square meter
And Compare with current offers of plots
Magic Bricks in Gaur 1.100 sq yard /83 sqm 42 Lakhs Rs 4667sft in Gaur Yamuna /Rs 50600 sqm
https://www.magicbricks.com/propertyDetails/100-Sq-yrd-Residential-Plot-FOR-Sale-Yamuna-Expressway-in-Greater-Noida&id=4d423533323831373331
2.150 sq yard/125 sqm 57.5 lakh Rs 4259 sft / Rs 46000 sqmhttps://www.magicbricks.com/propertyDetails/150-Sq-yrd-Residential-Plot-FOR-Sale-Yamuna-Expressway-in-Greater-Noida&id=4d423530383437313434