Bajaj Finance — I'm complaining about my cell phone insurance

I have brought 25000 rs mobile on emi from bajaj finance company they provide me insurance also in this phone. But my phone was stolen in two months and i want to complain for this but bajaj finance can't be provided me new set or insurance claim.
And second thing is that bajaj finance mere a/c se kbi b apna charge le leti h bina kisi inform k mahine me 4-5 bar ye kah k ki late charge h