to say that saravanan is interested in all things that deals with weights businessman has unique of stamps released by countries on scales the indian department has not released any on weighing scales i also have covers and bills of weights that were sold many years for instance my comprises cover that was circulated in new york american institute of weights and measures first cover from india with a weighing stamp weighing scale advertising cover 1870 from to springfield mass i also have a comprehensive collection of on weights all and done saravanan says that since there are not many people who are interested in the subject his presence is mandatory at his mini museum above his workplace it s not a subject that lures many hence it s a to find someone who understand explain the concept in my that s the only deterrent to my hobby