Buying a new bike

Hello malai chahi euta naya bike kinna thiyo for a daily ride. Ma chahi hilly area ma basxu daily 10 km jana 10 km aauna ride garnu parxa purai hill ho. Which bike should i look for in terms of mileage and power and looks too. Maile chahi ronin hereko thiye thikai matra lagyo and any other option and my height is 5.4 ns pani hereko tara height pugdaina jasto lagyo. Ani ns ko mileage chahi kasto xa please help me out.