Mentors doomed contestants by.....

There haave been lot of examples where mentors directly or indirectly doomed their own or other contestants..The foremost is HR neglecting Ujjaini and Paresh and directly attacking Abhijeet...Also AS giving low scores to Ujjaini in the second last episode she was in to prop up Himani and HR saying nothing...ID ridiculing Twinkle on National TV...Please share some of these examples .....