Table:
text: List of Indian National Badminton champions
List of Winners
List of Winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
1976 Prakash Padukone Ami M. Ghia Prakash Padukone Leroy D`Sa Ami M. Ghia Morin D`Souza Suresh Goel Morin D`Souza
1977 Prakash Padukone Kanwal Thakur Singh Prakash Padukone Leroy D`Sa Latha Kailash Noreen Padua P. G. Chengappa Uma Moorthy
1978 Prakash Padukone Kanwal Thakur Singh Pradeep S. Gandhe Sanjay Sharma Kanwal Thakur Singh Ami M. Ghia Satish Bhatia Latha Kailash
1979 Prakash Padukone Ami M. Ghia Prakash Padukone Kiran Kaushik Ami M. Ghia Morin D`Souza Parthasarathy B. Raman
1980 Syed Modi Ami M. Ghia Partho Ganguli P. G. Chengappa Radhika Bose Ami M. Ghia Leroy D`sa Ami M. Ghia
1981 Syed Modi Madhumita Bisht Partho Ganguli Vikam Singh Kanwal Thakur Singh Sunita Sanat Misra Madhumita Goswami

Question: Name the men's singles when doubles are certain Goel Morin d'Souza in the list of Indian national badminton champions?