Mutual fund SIP inflows rose to a three-month high of Rs 31,781 crore in June, up Rs 827 crore or 3% from Rs 30,954 crore in May.On a year-on-year basis, SIP inflows increased by Rs 4,512 crore, or 17%, from Rs 27,269 crore in June last year.Equity mutual fund inflows jumped nearly 26% month-on-month to Rs 28,973 crore in June from Rs 22,907 crore in May, according to data released by the Association of Mutual Funds in India (AMFI).Among the 11 equity fund categories, midcap funds attracted the highest inflows at Rs 6,090 crore, followed by smallcap funds at Rs 5,601 crore and flexicap funds at Rs 5,231 crore, making them the top three investor favourites during the month.Dividend yield funds and ELSS were the only equity categories to witness outflows in June, with net redemptions of Rs 49 crore and Rs 633 crore, respectively.On a month-on-month basis, sectoral and thematic funds recorded the sharpest increase in inflows, surging 127% to Rs 1,469 crore. Midcap funds followed with a 39% rise in inflows, while value/contra funds and focused funds registered a 35% increase each.Debt mutual fundsDebt mutual funds witnessed outflows for the second straight month in June, with investors withdrawing Rs 1.09 lakh crore after pulling out Rs 96,948 crore in May.