The answer to your question is
" I am still not sure if i have been given the original ones "
and i also don't know how to find out if they are original or not , and i don't even want to know if they are original or not. Dil ko tasali di hwe hy k genuine lie thy
Well today i went for changing my tyres and i inquired shopkeeper about the genuine altis alloys. he quoted me 40k for the alloys genuine and 25k for the clones.
I think may be you should buy from someone who is selling their genuine alloys. Or maybe visit a friend who has genuine alloys take pictures and go to market and compare everything with genuine one. thats one way to go