Confused About Lower CTC in Appointment Letter? Seeking Advice on Next Steps

I am Pallavi, and I recently joined a company on the 1st of August 2015. They initially provided me with an Intent letter instead of an Offer letter and offered a CTC of 3 lakhs per annum. When I inquired about my Appointment letter, they said I would receive it soon. On the 5th day of my joining, they issued an Appointment letter with a CTC of 2.75 lakhs. When I questioned why the Offer was for 3 lakhs during the interview but the Appointment letter stated 2.75 lakhs per annum, the response was that I would receive 2.75 lakhs for the initial 6 months (probation period) and then it would rise to 3 lakhs annually. However, I am still awaiting my offer letter. What should I do?

When you already have received the Appointment Letter, why do you require an Offer Letter? Regarding CTC, we don't know what was agreed upon between you and the employer during the interview process. Hence, no comment.

Thank you.