HPCL Biofuels Limited Jobs Recruitment 2021 255 Posts. HPCL Biofuels Limited has announced notification for the recruitment of General Manager, DGM, Manager/ Dy. Manager & Other Vacancies. Posts : 255 Important Dates : Last Date for Receipt of Application: 16-10-2021 Age Limit as on 01-09-2021 Minimum Age: 18 Years Maximum Age for Management: 57 Years Maximum Age for Non-Management: 55