Choose or find odd letter group - DE , PQ , TU , MO , FG

D. MO

Choose or find odd word - Mahanadi , Cauvery , Narmada , Krishna

C. NARMADA

Choose or find odd word - Doe , Bitch , Sorceress , Drone , Mare

D. DRONE

Choose or find odd word - Parrot , Swan , Vulture , Sparrow , Koel

B. SWAN

Choose or find odd word - Akbar , Jahangir , Shah Jahan , Vikramaditya , Aurangzeb

D. VIKRAMADITYA