Diploma

Distance Education in B.Tech is not possible but you can pursue B.Sc. Easily through distance. You can also pursue Part Time or Evening Class B.Tech courses near your workplace. But since you have done Diploma in Chemical I would recommend getting admission in B.Sc. Chemistry. You can also get later

Hi,
Admission is based on the marks obtained in 10+2 with Physics, chemistry and biology as compulsory subjects.
The duration of the course is 2 years.
For more details information about course,fees and admission you can download the brochure from given link
https://www.shiksha.com/medicine-health-scien

Diploma in journalism and mass communication is an undergraduate course. So, the eligibility of this course is 10+2 with minimum 50% marks in aggregate.

Distance learning Diploma course in labor laws covers topics such as workplace privacy & safety, equal pay, discrimination laws and wrongful discharge. Check out the below link:
https://www.shiksha.com/law/course/diploma-in-labour-laws-and-labour-welfare-symbiosis-law-school-viman-nagar-pune-273113
Th

No, it is not equivalent, PGDM and MBA will always have a slight difference, but both the courses are valid and have importance in placements.

Yes, you are eligible to pursue lateral entry engineering after completing diploma. Check whether the college takes admission based on merit or Entrance exam.

You can pursue Distance MBA courses through several Institutes like Amity, UPES etc. That will give you admission on the basis of your Diploma + Experience. There are many specialization and you can choose according to your job profile.

You should apply for lateral entry entrance exam in your state. Perform your best in the exam, and then you will get a college according to your rank.