Which Mutual Fund is better to get maximum return SBI Pharma or Reliance Pharma ?

Good Day To All..

I want to make SIP of 5000rs in one of the following MF:

1. SBI Pharma
2. Reliance Pharma

Please suggest me which one is better as perperformance & trustworthy.. i will invest for 10-15yrs in one of these please suggest.. thank you