If these support levels break then big selloff will be there. Lower levels of 10600/10400 also possible.
But if these key support levels hold then a good bounce till 10170/10250 possible.
For detailed nifty outlook for 3rd Oct to 5 Oct - Click on the chart below ( Nifty 15 Min analysis)
Same happened today. Nifty opened below 10770 tested 10600 and broke it to make a low of 10547.25.