Shell, Total, ZIC, KIXX, Caltex / Havoline / Chevron, etc. are some of the very respected and reputed brands here.
They are easily available in markets at competitive prices, and covers almost all ranges of petrol engine oils, diesel engine oils, Light transport, heavy transport, commercial vehicles, etc., and also cover ranges from 0w-20 to 20w-50, etc.
So why not go for them?