Micromax X511 — Complaint regarding cell phone

To the consumer court... I'hv bought a Micromax X511 Mobile phone in March but within One week it started getting lot of problems like... memory does'nt work, display automatically goes off, video works only 10-15 seconds where the memory card is One GB. within a month I been three time to service centre but they said we can change its mother board but I don't want my cell to be opened. so I request them to provide me a SAME NEW SET (SAME). Finally they are ready to provide me a new set but there should be all the accessories even the outer paper box also that I don't have anymore. Please tell me what should I do? I am providing them Charger, Earplug,
Date Cable, the 2 books I got with the cell when I purchased it except the outer cover. Please help me otherwise Im gonna lost my 7480 Rupees that is the cost of cell I'hv paid

Thanking you,

Your sincearly
Sandeep Thakur
Village Basholu, P. O. Dharampur
District Solan (H.P) - 173209
Mob. No.[protected]