Singh also sought to woo minorities by spotlighting their increased share in jobs, loans and welfare schemes during the UPA regime besides highlighting various programmes his government has taken to address social and economic backwardness of Muslims.
Addressing a conference of state minority commissions, he said India's strength lies in unity and warned against divisive forces.
"For India as a country, secularism has been a way of life practiced over centuries. We should be cautious of people who work against India's secular thought by attempting to redefine secularism...
Singh and BJP's Prime Ministerial candidate Modi have been engaged in a war of words of late with both leaders taking jibes at each other at various forums.
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The Prime Minister and UPA chairperson Sonia Gandhi had yesterday asked the people to battle religious fanaticism and asserted that true religion cannot be the basis of hatred and division, in comments which were seen as a veiled attack on BJP and Modi.
The UPA, Singh said, has tried its best to ensure social and economic justice to minority communities, and added that efforts over the last nine years have shown visible results.
Most of the concerns raised by the committee have been addressed by the PM's New 15 Point Programme, he said, pointing out that the matter for reservation for Muslims in jobs is sub-judice.
"We have been able to persuade the private sector to some extent to take affirmative action in favour of minorities," he said.