for HU
look at pioneer
Car Audio
you can get the 3000 series ( the 3290 UB )
(for better deals look at older models namely the pionner 3050
for the front
India JBL
or if not availble or you cross your budget then
India JBL
for the rears (about 3500 rs) to be installed on MDF rear parcel shelf
(if you are in mumbai you can pick up the MDF parcel tray from me if you want ( i dont use it anymore - mine is custom made under my supervision- its heavy one with beige carpetting)
India JBL
or if not availble then get
India JBL
another brand of speakers to consider if you are in north india or if your local distributer has it is "bull audio"
BullAudio
for the fronts component speakers
get model no. CS 650.75
for the rears ovals model no.
TRI 6090
Please find a good installer
even simple systems can get messed up with a bad install
be prepared to my about 750 rs just for installation costs for a good install . he will probably throw in the wires free ( that is if they didnt already come with the speakers )
all above equipment if purchased with full bill and warranty will cross your budget
you might have to settlle for grey.