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Let $f$ be a cuspidal eigenform (holomorphic or Maass) on the full modulargroup $SL(2, \mathbb{Z})$ . Let $\chi$ be a primitive character of modulus $P$.We shall prove the following results:  1. Suppose $P = p^r$, where $p$ is a prime and $r\equiv 0 (\textrm{mod} \3)$. Then we have \[ L\left( f \otimes \chi, \frac{1}{2}\right) \ll_{f,\epsilon} P^{1/3 +\epsilon}, \] where $\epsilon > 0$ is any positive realnumber.  2. Suppose $\chi$ factorizes as $\chi= \chi_1 \chi_2$, where $ \chi_i$'s areprimitive character modulo $P_i$, where $P_i$ are primes, $P^{1/2 -\epsilon}\ll P_i \ll P^{1/2 + \epsilon}$ for $i=1,2$ and $P=P_1 P_2$. We have theBurgess bound \[ L\left( f \otimes \chi, \frac{1}{2}\right) \ll_{f, \epsilon}P^{3/8 +\epsilon}, \] where $\epsilon > 0$ is any positive real number.

W\lowercase{eyl} \lowercase {bound for $p$-power twist of} $GL(2)$ L-\lowercase{functions }