We know that getting a job is a very hard but the job can be found for the only students who are willing to struggle hard. Now the main thing is Job after Polytechnic or career after polytechnic courses yes!
It is not easy to ride on any engineering courses; because engineering means struggles with Smartness you need to be innovative and creative. If you have such kind of thing you will get success in your life.
Polytechnic or Diploma holder can get job in Private sector and Government sector both if student got selected in private sector they can get near about Rs. 8000-12000/- per (it can vary from different companies) month in starting.
Candidates want to go for higher study like B.Tech then they can take admission 2nd year for B.Tech courses.