i am 11 weeks pregnent and feom few days my back is paining

Back pain will be there, Soon you will feel better as you will be prescribed with calcium tablet from 4th month. Use pain balm to relieve pain, take nice long warm water bath.

Hey try using hot water bag

it's normal priya.  use any pain relief spray or gel. can use hot water bag too

It's normal... You can sit with support at the back if you feel so.
And can use hot water bag.