If you withdraw the entire amount it will take 1-2 working days for it to be credited to your bank account. 

When you redeem from SmartSave you can get up to Rs 50000 or 90% of the total amount invested in SmartSave instantly (whichever is lower). 

This service is available 24x7 - even on holidays. 

You can track the progress of the redemption above on the timeline.