Which government job is best after Polytechnic?

Unitech, TCS, Wipro, TATA Power in private sector. BSNL, BHEL, GAIL, ONGC in public sector.

The government job options after a Diploma or Polytechnic include junior engineers (JEs), IT assistants, Public Sector Undertakings (PSU) jobs, technicians, clerks, etc. Bharat Sanchar Nigam Limited (BSNL), Bharat Heavy Electrical Limited (BHEL), Gas Authority of India Limited (GAIL), Railways, Oil

You can get a Government job as Junior Engineer, Technician, IT Assistant, Technical Assistant, or Assistant Engineer Jobs after completing Polytechnic Diploma.