Subjects like building material’s building constructions & maintenance Engineering, Civil engineering building drawing, building steel drawing/structures https://twitter.com/socialstings,public health engineering, Soil mechanics & foundation engineering, concrete technology, reinforced cement concrete drawings & reinforced brick structures, Transportation engineering, estimating costing & Valuation, R.C.C & transportation laboratories’__34 years OF SERVICE in this field 14 YEARS AS LECTURER 10 YEARS AS ASSISTANT PROFESSOR & REST AS PROFESSOR –RECENTLY RETIRED SO BUILD A KNOWLEGE HUB