Unknown High Amount Deductions

I am existing customer with icici bank with account no. 282. From last 3 months i am observing there are some transactions which are not initiated by me but there are amounts which are deducted from my account.

Pls find attached is my last 3 months statement where below transactions are unknown to me.

4 Dec 17 Rs. 2.95

12 Jan 18 Rs. 05.9

18 Jan 18 Rs. 05.9

I want immediate clarifications about these transactions as this transaction was not done by me but still my account is got debited