It is also really best system for filling all internal gap, crevices, micro porosity even honey combing portion out first drilling of hole is very needed of experience. It is not tailors made method , if you are not doing drilling and grouting in proper way and proper place ,you cant never get result and we loss time , money and literally we damaged structure. Actually grouting equipment is specific requirement but as per knowledge every where we show reciprocating method of grouting. And equipment are found old and even agency must have knowledge of system and about characteristic of cement/polymer & weather otherwise we loss time , money and morality. In addition we introduce you rehabilitation by non conventional composite material the details we are enclosed herewith.