Hi Himani, change the washing area a little. instead of 5' sink in the lower most side make it on the window wall, it'll accommodate the sink as well as one small unit for storing used as well as clean utensils and some more space for any cleaning work.
About the kitchen ottta, it seems you want it as per vastu. As per vastu the burner should be on the south corner of the east wall, that's the exact agni sthaan.
Your kitchen size is at par, please tell me how many members are there in your family so that I can guide you accordingly.
Need help for furniture placement in living room
is this furnitue placement ok?
need help for tv placement
Advice on oven and OTG placement
It would be more open if it was an L shaped kitchen. Do you really need a U shape kitchen.
Himani, you need to provide information details because kitchen is the place where detail planning is required.
Or for the the partition you can opt for pocket sliding door which makes it a little flexible.
Don't place the sink on the kitchen exterior wall as that area is always messy.
This might help. It'll solve your problem as the burner is placed in alignment to the wall.
In your washing area, the space utilization will be more if you plan it the way shown in the drawing.