After Bsc in IT definitely you will have a decent scope and after MSc your scope will increase but its good if you also pursue Msc.

The salary hike will be more after MSc IT. Your package depends upon the organisation you get placed in, your skills, your calibre.

After bsc you can expect a package of 20-25K and after Msc you can expect a package of 40K approx initially.

It can vary as per the placement.