(a) whether a number of cases of corporate and other espionage have been unearthed in various Union Ministries and various investigation age- ncies including the Delhi Police are conducting investigations into the said matter;
(b) if so, the details thereof and the number of departments and officers/staff found involved in the said matter so far; and
(c) the measures taken by the Government to check such espionage activities in the country parti- cularly in Government establishments?