Tata Consultancy Services — Unfair compensation compared to others

Hi, I had applied for the role of Java developer at TCS and mentioned expected compensation as 15 Lakhs per Annum. But the recruiter agreed to 9-10 Lakhs per Annum and the interview was given and i was able to clear it. But later on it was specified that they can give maximum of 8 lakhs for the experience i have and so I agreed. It's two weeks after interview and verification of documents and now the HR says - At the maximum we can pay 5.8 Lakhs and no more than that. This is way below what was mentioned by the company before the interview and is a harrasment and really unfair on the company part and my friend had joined for the same role and was offered 10 lakhs. Please look into this and provide necessary resolution.