1. I'd say NO. In 1/2 gears, tehre will be ENORMOUS loads on the piston, crank, etc. If you attempt that in runin, consider 10,000 KM of elife deducted from your engine.
2. My advice : runin properly for 500KM, take it till say 5K RPM till 1K, then blast away free
3.
Mobil Products
Get Castrol GTX Magnatec. Best oil you can buy in India right now PERIOD. There is a source where can get Motul V300

costs 600 per litre or more

if i get chance, will graqb 2 litres myself
4. I'll say NO.