Urgent Help Regarding Flipkart Exclusive Sansui AC

i purchased AC from Flipkart [ Sansui 1.5 Ton 5 Star Split AC White(A/C SSZ55) ] During Cooling Days . [ First AC ]

Actually , my ac is making noise when i keep the AC Fan in Auto Mode or high level at Any temperature . Some thing like table fan running continuous . Every AC is make such noise or My AC is Faulty one ?

Split Ac aren’t Slient One ?

Please Provide me feedback so that in case of faulty AC , i can fight Back !
[ Please Specify AC Brand name while Providing Review ]

Thank you !