examples to go by while saving the heritage building said conservation architect k kalpana the main mistake in the renovation was the use of cement the structure like all buildings built in the 1800s was made of brick and lime mortar but it was plastered with cement during restoration they should have used mortar for renovation the consequences of this may show up after 30 to 40 years said kalpana the garden base of the dome is of 15 feet and will comprise a 2feet flame in the centre amphitheatre with 250 seating capacity too constructed for holding programmes three art galleries constructed on ground floor and spread in 1000 sq ft and 500 sq ft pictures and details of pre and post independence and also various developments since independence will be displayed in the galleries