"There is a major disruption of ecosystem. In view of climate change there is a possibility of change in pattern of rainfall," V Rajamani, an emeritus professor of the Jawaharlal Nehru University, New Delhi, told IANS here on the sidelines of a programme.

He was addressing students on climate change in India at a lecture organized by Indian National Science Academy (INSA) and West Bengal Academy of Science and Technology, at the Indian Institute of Chemical Biology here.