Is PG Diploma equivalent to PG degree? Can I get a job after pursuing any of these two courses?

No. only PGDM or PGPM of 2 years full time that's too granted equivalence status by AIU I.e. association of Indian Universities are only equivalent to a PG degree. any distance learning, parr time, online PGDM not at all equivalent to a master's degree. other than management programme, AIU has not g

It depends from where you do it & what is the duration of the course. if its 2 year duration then it is generally considered equivalent to PG degree. To play safe one should try and pursue MBA/MMS as a Masters program