Diploma

Follow this link to get a comprehensive list of all the colleges:
https://www.shiksha.com/medicine-health-sciences/ranking/top-medical-colleges-in-india/100-2-0-0-0

Hi
You will have to go through the prospectus of the course provided by the college to know more about the admission procedure, fees, eligibility etc. https://www.shiksha.com/medicine-health-sciences/neet-exam-dates

Hi,
Yes after completion you will become eligible for government jobs. But, it is not available in distance mode. You can opt for a college where attendance is not mandatory. https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-india/44-2-0-0-0

Hi,
You can join any academy like frankfinn for this. See this link for more information
https://www.shiksha.com/aviation/cabin-crew-air-hostess-chp.

You will have to go through the prospectus of the course provided by the college to know more about the admission procedure, fees, eligibility etc.
https://www.shiksha.com/mass-communication-media/journalism/course/diploma-in-journalism-a-p-college-of-journalism-rtc-cross-road-hyderabad-166418

Different colleges have different fees. government colleges and private colleges have huge fees difference.
You will have to go through the prospectus of the course provided by the college to know more about the admission procedure, fees, eligibility etc.
https://www.shiksha.com/university/dr-c-v-ram