you already have the best car in 1000 cc category, i.e. Cultus and that too VXL (power steering and windows version). There's no point in going from Cultus to Alto old generation, that'd be a downgrade if anything at all..
your best bet is to buy the EFI version of Cultus in 8 lac budget, it has better power, fuel economy and A/C performance than the carburetor one.
any 1300 cc in the range of 8- 10 lacs will be a headache and a terminally ill patient that you will have to revitalize again from your pocket : (