I would recommend exit SBI Magnum tax gain and Reliance Small Cap.
Can Enter for ELSS -
1- Canara Robeco Equity Tax Saver
2- HDFC Taxsaver

As your existing portfolio is more inclined towards the small cap, you can pick following funds -
1- DSPBR Micro Cap Reg
2- HDFC Mid-Cap Opportunities
3- ICICI Prudential Discovery Inst I