There is no comparison between both cars, and cultus surely is the crappiest car money can buy in 1 million plus rupees...
I recommend you try your luck finding a clean city IDSI (Unlikely) or you can raise your budget a bit and go for Passo used, JDM.
In 12 lacs you can get fresh import, genuine 4 grade. But registration cost and xyz can add up.
You can also try and find a registered passo in 1.1 million, less used locally.
Play it safe option is WagonR VXL, its a much good car in this price by suzuki and those who have bought it have said its very good. But again its a local suzuki... safe nd easy option.
dont go for cultus over wagonR!