Can anybody tell me if the bumper and h/lamps and indicators from a l322 will fit p38 1994

No. They won't.

I'm sure if you spent enough time re engineering it you could make a hash of it, I'm pretty sure I've seen such abortions on eBay. Why bother when you can buy an early L322 for under £5k? Discovery 4 HSE
1998 110 TUM HS FFR Hard Top XD WOLF
1982 Series 3 Hard Top
1998 90 TUL FFR Hard Top XD Wolf
1993 90 Tdi

*Gone: L405 4.4 VSE, L462 D5 HSE LUX, L663 Defender 110 HSE, Discovery 3 HSE, 2014MY Range Rover Sport 5.0 Supercharged AB Dynamic; L405 Exec Vogue SE 4.4, 5.0 Supercharged Autobiography, Defender TDCi XS CSW, Defender TD5 HT, Vogue SE TDV8, Vogue TD6, RRSport SC 4.2V8, Classic 3.9 Vogue Auto, Land Rover Series 3 SWB

 Present :2008 TDV8 HSE
Gone Audi A5 2.7TDI
Gone Discovery 3 HSE
Gone Mercedes CLK
Gone Range Rover 2.5 DSE

Try looking on other Range Rover forums one I used when I had my p38 is full of monster stories of people trying to turn a p38 into an L322 if you put the late p38 lights in with a xenon conversion that works well