Four of the following five are alike in a certain way based on the given arrangement and hence form a group. Who among them does not belong to that group? 

Now for sitting arrangement – Only one member sits between O’s sister and M’s brother. Only two members sit between O’s father and U’s father. U’s husband, who likes Dehradun, sits third to the right of U’s uncle. R sits second to the left of U’s husband. The member who sits just opposite to U’s brother, who likes Mumbai, sits immediate left of M’s daughter. R’s grandfather, who likes Delhi, is not an immediate neighbour of N. U likes Nainital and Q likes Punjab. From these conditions there will be two cases:      Case 1:-   Now Neither N nor U’s grandfather sits just opposite to U. As there will be no place left for U in case 2. So case 2 will be eliminated. From rest U likes Nainital and Q like PUNJAB. O likes neither Pune nor Bangalore. T likes Lucknow. P does not like Bangalore.        So the final solution is –