Distance B.Ed

You can pursue B.Ed through distance education but you need to have at least 2 years of work experience. But before choosing any university do check the eligibility criteria.

Please refer to the link provided below for a list of colleges in India which offer courses in B.Ed. Please download their brochure which will give you information if the course is offered by the distance wing (if Any):
https://www.shiksha.com/teaching-education/colleges/b-ed-colleges-india

Oxford college of education offers only regular B.Ed course.

Request you to directly get in touch with the institute to know about its affiliations.

Well, the validity of your degree certificates will depend on the institute from where you have completed your certifications from, and whether the institutes are UGC or AICTE approved. You will be able to get this information from your institute or from the official site of your college.

You can refer to the below mentioned link for more information on the colleges: https://www.shiksha.com/teaching-education/colleges/b-ed-colleges-delhi-ncr

Yes you can apply for government job after completing B.Ed through distance and open learning.