Drawing the ellipse in Yamunanagar

Data
Latitude : 30.13
Longitude : -77.29
Zone meridian : -82.50
Gnomon Height : 2m
E/W-SemiAxis : 2m
OA = 2.00 m ( E/W-SemiAxis )
OB = 1.00 m ( N/S-SemiAxis )
Focus c = OF = 1,73 m
String Length 2a+2c = 7,46 m