Diploma

Diploma chemical candidates mostly work as shift operators/ shift supervisors in large chemical organizations. Moslty they get the shopfloot job. The scope has limitations. Better go for the degree course right away.

Yes especialised courses are there for diploma holders in fire and safety. Duration range from 6 months to 1 year.
PG DIPLOMA IN FIRE SAFETY ENGINEERING course is offered by National safety council. Chhena.
All institutes have some good and bad areas. some lacks something. so depending upon your ease you can choose one of them. The word "Ease" itself has vast meaning.

You first need to decide what career you want to pursue & keeping that in mind draw a road map and follow it .
some generic options that you could explore are :
teaching English in school-you can join a school & pursue B.Ed
pick up a job in a manufacturing unit in stores/despatch/purchase dept
Pursue further Education for Masters program
All has to be in line with your life goals & aspirations

Wildlife photography deals with taking photographs of wildlife, or non-domesticated animals. Here the focus is on nature and wild creatures. Unlike any other genre of photography, Wildlife photography can be most challenging. It's an adventurous career that demands mental as well as physical fitness besides general aptitude for the job. If you're a photographer who is fascinated by animals, nature and enjoy travel, Wildlife/Nature Photography can be an ideal career for you. It can be taken as part of ones hobby as well as a profession.
so first you have to work as a assistant to any good animal photographer in abroad