I’m not able to get the whole LL in output instead of 9 items its just printing 7 items .
K reverse in linked list
In line 47 make you node *N =null;
Rest everything is good in your Kreverse linked list function 
Still unable to get the whole list

Okay so issue is in your main function, in line 75 make head =Kreverse(head,k) as you are not updating your head
Yes,it worked.
Thank you so much!!
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