400k isnt too much actually, Sab kuch bohat mehnga hogyaa hai.
Let's make a rought estimate.
Engine/ mechanicals roughly cost 250/300
Dent Paint extreme low quality 50,000 and 120,000 hi end.
New Tires rs. 50,000 Roughly add stupnies separately.
20/25,000 suspension works.
25 to 30,000 cosmetics, interior fittings etc.
Crosses. Rs. 500,000 easily.
Restoration is only for someone whoose low on cash and wants to build the car on the go,