the whole 'come on a visit and search' thing was half effective not long ago..but with less Indian visas being given out these days, it is too risky with a family. Unless you have considerable savings and can afford to blow a small load on a visit, I'd second the others and suggest coming only with a confirmed job offer. Which should be higher enough than your current pay to justify leaving home and dunking your young family into a new environment. Best of luck:-)