Each record sale had to cover the costs involved in this process. This model did not change much even after the compact disc was introduced in the early 1980s. Now, however, music is distributed digitally: a recording, once converted to an appropriate format, can be copied an infinite number of times at virtually no cost.
He served on numerous Working Groups for the design and conduct of the National Sample Surveys, was the Chairman of the Governing Council of the National Sample Survey Organisation (NSSO), Chairman of the National Accounts Advisory Committee and Chairman of the National Statistical Commission.