The National Dairy Development Board (NDDB) is all set to roll out its ambitious, 15-year-long National Dairy Plan, envisaging an outlay of Rs 17,300 crore, with the Agriculture Minister, Mr Sharad Pawar, launching its first phase here on April 19. The Gujarat Chief Minister, Mr Narendra Modi, will be the chief guest at the ceremony to be held at the NDDB headquarters. The Minister of State for Agriculture and Food Processing Industry, Dr Charan Das Mahant, will also be present, an NDDB official said here on Tuesday.