how important are gopichandan mudra dharanam in gaya shraddham?

A)A person who had applied gopichandan and mudra dharanam on his body and offer whatever during gaya shraaddham the punyam we get by this religious deed will multiply infinite times.
कृष्णमुद्राङ्कितो भूत्वा जलान्नं प्रददाति यः ।
तदन्नं मेरिणा तुल्यं तज्जलं सागरोपमम् ।। (ब्रह्म पुराण)
नरसिंहाचार्य सुळिभावि
मठाधिकारि,
गुंटूर, उत्तरादिमठम्
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