THE BASIC PURPOSE OF CROSS EXAMINATION IS TO ASK THE QUESTIONS REGARDING WHAT THE WITNESS HAS STATED IN THE EXAMINATION-IN-CHIEF. LAW ALLOWS PUTTING LAWFUL QUESTIONS IN CROSS-EXAMINATION.WHEN A WITNESS IS CROSS-EXAMINED HE MAY IN ADDITION TO THE QUESTIONS REFERRED IN THAT SECTIONS BE REQUIRED TO ANSWER SUCH QUESTIONS THAT SHAKE HIS CREDIT BY INJURING HIS ACCOMPLISHMENT. SUCH QUESTIONS MIGHT TEND DIRECTLY OR INDIRECTLY TO EXPOSE HIM TO A PENALTY OR ANY FORFEITURE. IT IS PERFECTLY OPEN TO A LAWYER TO PUT QUESTIONS TO A WITNESS IN CROSS-EXAMINATION TO SHAKE HIS CREDIT ANY HOW TO EXTRACT FACTUAL. SECTION 149 OF EVIDENCE ACT PROVIDES THAT NO QUESTION REFERRED TO IN SECTION 148 OUGHT TO BE ASKED UNLESS THE LAWYER ASKING IT HAS REASONABLE GROUNDS FOR LINKING THAT THE IMPUTATION WHICH IT CONVEYS IS FOUNDED.