What is the best program for Diploma Mechanical Engineer with 15 years Exp

[Jayisme]

Hi,

I am a diploma Mechanical Engineer having 15 years of experience in Design and PLM in Automotive and Aerospace Industry. Have 4 years of UK experience. Could any one please suggest me which Program i should choose. Weather to go with 2 years of Advanced Diploma or Graduate Certificate.

Also please tell me will I be eligible for applying PR after completion of the program ? I have Total of 14 years of education (10+1+3)

Please suggest.

Thanks!