Smallcase and pledging

I have bought a smallcase around 6 months back in which I have been invested in around 15 shares. I had pledged those shares for getting margin benefits. Now, rebalancing of the smallcase portfolio is due. Will I have to unpledge all the 15 shares and then rebalance or is there any alternate way??? If I chose to repledge them, I will have to bear charges of Rs. 30 per order.

While rebalancing you can check which stocks are getting added/dropped. If your pledged shares are getting dropped from that smallcase, then unpledge those shares only and rebalance. Otherwise nothing is required.