It can be titled as Sucessful Innovation

I travelled many times to long distances. No doubt very comfortable.Still there are drawbacks. one is -- There is no near provision for  AC for back seat unless Full AC is on it is difficult to get AC for back seat , especially in hot summer.Another is handrest for back seater is much lower and persons sitting window sides have to lean on person sitting in middle seat. and also they will have pain in their thighs and legs,  as there is no option for them to lift the thigh a bit.Main suggession is instead of  two head rests another arrangement may be taken up for resting the head for comfort.  

Good stylish bodyBack side window side seats ..handrest is below. Sitter is uncomfortable