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2025 Supreme(Gau) 867

IN THE HIGH COURT OF GAUHATI, ASSAM, NAGALAND, MIZORAM AND ARUNACHAL PRADESH AT ITANAGAR BENCH
KALYAN RAI SURANA, MRIDUL KUMAR KALITA, JJ.
Obit Biku S/o Late Tada Biku - Appellant
Versus
The State of A.P. and Others - Respondents
Crl. Appeal No. 1 of 2022
Decided On : 11-06-2025

Advocates:
Advocate Appeared:
For the Appellant : L. Perme
For the Respondents: L. Hage, J. Gao

A criminal defendant may be acquitted if proven to be of unsound mind during the commission of an offense, highlighting the necessity for thorough psychiatric evaluation in criminal cases.

Headnote:(A) Indian Penal Code, 1860 - Sections 302, 326, 447, and 84 - Conviction for murder and grievous harm - Convict did not appeal; the appeal was treated as filed by convict's relative - Convict argued unsoundness of mind at time of offence; court held the defense lacked sufficient evidence - Conviction under Section 302 upheld initially, but later deemed unsound due to serious lapses in prosecution's case - Lack of eye witness testimony, absence of forensic evidence linking weapon to the crime questioned - Ultimately, the Court found indications of the convict's insanity, granting acquittal under Section 84 (Paras 4, 84-106).

(B) Accidental killing - Defense of unsoundness of mind shall be based on the preponderance of probability, requiring adequate historical context and examination (Paras 50-104).

Facts of the case:
On 08.09.2006, numerous individuals were seriously injured, and one victim was killed by the appellant, who was later arrested with the weapons used. The trial court found the convict guilty based on testimony from a limited number of witnesses, leading to conviction.

Findings of Court:
Evidence of the convict's mental state was not adequately assessed; accusations of flawed prosecution evidentiary procedures noted.

Issues: Primary issues addressed included the mental state of the convict during the offense and the adequacy of evidence proving culpability.

Ratio Decidendi: The court articulated that absence of sufficient evidence and the indications of the convict's mental derangement warranted reassessment of the trial's outcomes.

Result: Appeal granted; conviction overturned, acquitted on grounds of unsoundness of mind.

Table of Content
1. right to appeal and representation. (Para 1 , 2)
2. facts surrounding the incident. (Para 3 , 5 , 6 , 7 , 8 , 9 , 10)
3. procedure and treatment of witnesses. (Para 4 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24)
4. admissibility and adequacy of evidence. (Para 74 , 76 , 77)
5. discussion on the insanity defense and burden of proof. (Para 84 , 87 , 94)
6. acquittal and further actions to be taken. (Para 105 , 107)
7. final ruling and order for mental health assessment. (Para 106)

JUDGMENT :

MRIDUL KUMAR KALITA, J.

1. Heard Mr. L. Perme, the learned counsel for the appellant. Also heard Ms. L. Hage, the learned Additional Public Prosecutor, as well as Mr. J. Gao, the learned counsel for the respondent No. 7.

2. This appeal under Section 374 (1) of the Code of Criminal Procedure, 1973, has been filed by the appellant, Obit Biku, on behalf of the convict, Tayum Biku, who has been convicted by the Court of the learned Sessions Judge, East Siang: Siang: Upper Siang and Lower Siang Districts at Pasighat, in Pasighat Sessions Case No. 286/2013.

3. By the impugned judgment, Shri Tayum Biku, has been convicted under Section 302 /326/447 of the INDIAN PENAL CODE , 1860. Under Section 302 of the INDIAN PENAL CODE , he has been sentenced to undergo rigorous imprisonment for life and to pay a fine of Rs. 5000/- (Rupees Five Thousand) and in default of payment of fine to undergo further imprisonment for 1(one) year. Under Section 326 of the INDIAN PENAL CODE , he has been sentenced to undergo rigorous imprisonment for 6(six) years and to pay a fine of Rs. 3000/- (Rupees Three Thousand) and in default of payment of fine to undergo further simple imprisonment for three months and under Section 447 , he has been sentenced to undergo 3(three) months of simple imprisonment. All the sentences are directed to run concurrently.

4. At the outset, we want to make an observation that though this appeal has been filed by Obit Biku, on behalf of convict Tayum Biku, there is no provision in the Code of Criminal Procedure, 1973, where, a relative can file an appeal on behalf of a convict. Under the scheme of the Code of Criminal Procedure, 1973, only a convict can file an appeal against conviction. However, where a convict is detained in jail, then under the provision of Section 383 of the Code of Criminal Procedure, 1973, he can file his appeal by presenting his petition of appeal to the Officer-In-Charge of the jail, who shall forward the said petition to the Appellate Court. As the practice of filing of appeal through relatives has not been recognized in the Code of Criminal Procedure, 1973, and as this came to the notice of the Court only at the time of dictating the judgment, we intend to treat the instant appeal as being filed by the convict himself, i.e., Mr. Tayum Biku, and for all purposes, he shall be treated as the appellant in this appeal.

5. The facts relevant for consideration of the instant appeal, in brief, are that in the morning of 08.09.2006, at about 6.30 AM, a telephonic information was received at the Yingkiong Police Station from one D. Tali, E.A.C., Yingkiong, wherein it was informed that one unidentified person was cutting anybody whoever came in his way and many persons had been injured due to such act of the said person (appellant).

6. On receipt of the said information, the police rushed to the spot and found as many as seven persons were badly injured due to the assault by the appellant. It was also found that out of the injured persons, one Laxmi Sonar succumbed to her injuries on the spot.

7. Later on, a written FIR was lodged by one K. Dugong, Inspector of Police before the Officer-In-Charge of Yingkiong, Police Station and accordingly, Yingkiong, Police Station Case No 57/2006 was registered under Section 302 /307/326 of the INDIAN PENAL CODE , 1860, and the investigation was initiated.

8. During investigation, the Investigating Officer visited the place of occurrence, prepared rough sketch map of the place of occur



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