Present turnover limits of composition levy?

For other states = 1.5cr
Special category states(except jammu& Kashmir and Uttarakhand) = 75L
Jammu & Kashmir and Uttarakhand = 1cr

Special category states are (i) Arunachal Pradesh, (ii) Assam, (iii) Manipur, (iv) Meghalaya, (v) Mizoram, (vi) Nagaland, (vii) Sikkim, (viii) Tripura, (ix) Himachal Pradesh. 

can u please provide us notification number as well.

Turn Over limit Rs. 1cr / 75 Lakhs...

Yes its 1 crore & for special states its 75 lac

Is it only notification about 1.5cr? And what is the limit for Uttarakhand?

Rs.1 Crore in General

Rs.75 Lakhs for specified States (Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, Tripura, Himachal Pradesh)

Refer Notification No.8/2017 dated 27.06.2017, Notification No.46/2017 dated 13.10.2017 and Notification No.1/2018 dated 01.01.2018 (These three Notifications are attached herewith)