Tata Motors — fake job offers

I got email from tata motors ltd for recruiting under skill india program in tata motors company.they conducted a telephonic interview as well for me and then they said that i am selected for jr. Engineer designation in production department with offering salary 2.8 lac per annum at pune
They used the name Niharika Arora hr head
Akshay kumar mankad dgm
They also send me the confirmation letter and then adked me for depositing 5000 rupees as security money.
What is this..many innocent job seekers can become victim of this stop this..