yes KR is the best because of the beautiful nature and in the entire KR route there are 179 bridges,zuari bridge in goa is the best bridge on konkan railways because of its unique design it comes after madgaon and the 3rd tallest(64m high) viaduct the panval nadi viaduct is also there in konkan route after ratnagiri station,there is a longest tunnel in the entire KR route the karbude tunnel which is 6.6 km in length after ratnagiri station.the best trains to travel KR is the TVC raj and the mumbai madgaon jan shatabdi.njoy ur journey.