कोणीय आरेख (पाई आरेख) निम्नलिखित में से किस आरेख के प्रकारों में से एक हैं?

Which institute developed and dealt with the technology of manufacturing 'Balahar' malted food products and multipurpose flour?

Which of the following is NOT a subsidiary function of management?

Select the option that shares the same relationship as the given pair: Knob : Door